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It is: 25-4(8*6) = -167

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โˆ™ 2016-04-30 13:03:14
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โˆ™ 2015-12-17 15:21:59

The discriminant is -167.

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Q: What is the discriminant of this equation 8x2 plus 5x plus 6 equals 0?
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What is the discriminant of 8x2-2x plus 8 equals 0?

(-2)2-4*8*8 = -252 The discriminant is less than zero so there's no solution to the quadratic equation.


How do you solve 8x2 plus 16x plus 8 equals 0?

8x2 + 16x + 8 = 0


9x2 - 2x plus 25 equals 8x2 plus 8x?

x=5


Solve the equation by factoring 15 equals 8x2-14x?

15 = 8x2 - 14x; whence, 8x2 - 14x - 15 = (2x - 5)(4x + 3) = 0. Therefore, x = 5/2 or -3/4.


What are the factors of this quadratic equation 8x2 plus 2x -1?

8x2 + 2x - 1 = 8x2 + 4x - 2x - 1 = 4x(2x + 1) - 1(2x + 1) = (4x - 1)(2x + 1)


What is 8x2 equals?

16.


What is the solution set of the quadratic equation 8x2 plus 2x plus 1 0?

There is no equals sign visible but, taking the equation to be8x2 + 2x + 1 = 0,the solutions are the complex conjugate pair, -1.25 ± 0.330719*i where i is the imaginary square root of -1.


8X2 plus 16X plus 8 equals?

8x2 + 16x + 8 = 8*(x2 + 2x + 1) = 8*(x + 1)2


How do you get the product 16 with the numbers 2 3 5 and 8?

You can multiply 8x2 or if you can put addition into the equation you can do (3+5)x2! If you need proof here it is 8x2 can be shown as 8+8 Which equals 16.


8x2 plus 2x - 3 equals 0?

(4x + 3)(2x - 1) so x = -0.75 or 0.5


What is the answer to -4x2 minus 32x plus x plus 8 equals 8x2 minus 56x?

-4x2 - 32x + x + 8 = 8x2 - 56x : simplify and group the various terms-32x + 56x + x + 8 = 8x2 + 4x225x + 8 = 12x2 : Now present this as a standard quadratic equation.12x2 - 25x - 8 = 0 : Solving for the roots of a quadratic equation gives :-x = [25 ± √(252 + 4x12x8)] ÷ 2x12 = [25 ± √1009] ÷ 24 = [25 ± 31.765] ÷ 24x = 56.765/24 = 2.365 and x = -6.765/24 = -0.282x = 2.365 and -0.282


How do you solve 8x2 plus 14x plus 5 equals 0 by completing the square?

Please do not remove this question from Inappropriate or split any alts from it. Thanks!


What are the factors of 8x2 plus 6x -9?

8x2 + 6x - 9 = (2x + 3)*(4x - 3)


What are the factors of 8x2 plus 2x- 1?

8x2 + 2x - 1 = (4x - 1)(2x + 1).


2x3 plus 8x3-5x2 plus 8x2?

10x3 + 3x2


Factor 8x2 plus 15 plus 26x?

8x2 + 15 + 26x = 8x2 + 26x + 15 = 8x2 + 20x + 6x + 15 = 4x(2x + 5) + 3(2x + 5) = (2x + 5)(4x + 3)


How do you Factor 8x2-18x plus 9?

7Improved Answer:8x2-18x+9 = (4x-3)(2x-3)


What is the factorization of 8x2 plus 6x-35?

8x2+6x-35 = (2x+5)(4x-7) when factored


What is the factor 2x3-8x2 plus 6x?

What are the factors? 2x3 - 8x2 + 6x = 2x(x - 1)(x - 3).


What is the range of the equation y 8x2 - 10?

Without an equality sign the given terms can't be considered to be an equation


Solve x3 plus 7x equals 8x2?

x3 + 7x = 8x2x3 + 7x - 8x2 = 0 [subtract 8x2 from both sides]x(x2 + 7 - 8x) = 0 [factor out x]x(x-1)(x-7) = 0 [factor]Since the product of the three factors x, x-1, and x-7 equals zero, any of the three expressions could equal zero:x = 0x - 1 = 0, x = 1x - 7 = 0, x = 7Therefore, there are three solutions to the equation x3 + 7x = 8x2:x = 0x = 1x = 7Or, in set notation: x = {0,1,7}


How do you factor 24x2 plus 8x3?

8x2(x + 3)


How do you factor 8x2 plus 18x plus 7?

(2x + 1)(4x + 7)


How do you factor x2 plus 8x2 plus 5x plus 40?

Once you simplify it, it will become 9x2+5x+40. And, that should make it a little easier. I'm afraid I'm no help after that... hope it helps! :)Further Information:-This quadratic espression can't be factored because its discriminant is less than zero.


What prime numbers multiplied equals 16?

8 and 2 8x2=16