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The Quadratic Formula gives the value of x in equations of the form ax2 + bx + c.
In this instance a = 4, b = 11 and c = -21.
((-b +/-(sqrt(b2 - 4ac))/2a
= (-11 +/- sqrt (121 + 336))/ 8
= (-11 +/- 21.4)/8
x = 1.3 or 4.05
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How do you solve x squared minus 10 equals 0?
If x squared -10 = 0 then x = the square root of 10
X squared plus y squared minus 1 all cubed then minus the product of x squared times y cubed that all equals 0 How do you solve for y?
You have to put your heart into it!
How do you solve 3x squared plus 5x minus 25 equals 0?
x = 25 / 3squared + 5
How do you solve x squared minus x minus twelve by Euclid?
Without an "equals" word or sign somewhere, there is nothing to solve.You only have an expression, not an equation.
How do you solve negative 5x squared equals negative 75?
-5x2 = -75 x2 = 25 x = ±sqrt( 25 ) x = ±___
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Solve this problem -x squared -40x- 80 =0
Can you solve x squared minus six plus five equals zero?
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How do you solve x squared minus 10 equals 0?
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What is 8-6 squared - 28?
First you must square the 6 which the answer is 36. Then you subtract 36 from 8 and the answer is negative 28. Finally you solve negative 28 minus 28 (-28-28) which equals negative 56 (-56).
X squared plus y squared minus 1 all cubed then minus the product of x squared times y cubed that all equals 0 How do you solve for y?
You have to put your heart into it!
How do you solve 5x-to-the-4th minus 483x-cubed plus 94x-squared plus 126x minus 18 equals 0?
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How do you solve 3x squared plus 5x minus 25 equals 0?
x = 25 / 3squared + 5
How do you solve x squared minus x minus twelve by Euclid?
Without an "equals" word or sign somewhere, there is nothing to solve.You only have an expression, not an equation.
How do you solve negative 5x squared equals negative 75?
-5x2 = -75 x2 = 25 x = ±sqrt( 25 ) x = ±___
How do you solve x squared minus ten x plus six equals zero?
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Question 3C: Four minus seven equals negative two.
How do you solve X squared minus four for x equals 3?
Your Problem: X - 4 = ?Current Problem: 3 [squared] - 4 = ?How: When a numbered is squared, it means you multiply it against itself. So, 3 squared equals 3x3.3x3 = 9So, you would then take 9 and minus it by 4, which would than equal 5.Answer:3 [squared] - 4 = 5or9 - 4 = 5
