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(3x-4)(x+5)

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15y ago

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11x plus 8 equals 8x plus 20?

11x + 8 = 8x + 20 3x + 8 = 20 3x = 12 x = 4


What is x if 13x plus 15 equals 11x-5?

13x + 15 = 11x - 5 2x = -20 x = -10


What is 11x plus 5 equals 8x plus 20 in algebra?

That's an equation where x = 5


What values of x are solutions of 3x2 11x 20?

If you mean: 3x squared -11x -20 = 0 Then: x = -5 or x = 4/3


X plus 20 plus 10x equals 20 plus 9x x equals?

x + 20 + 10x = 20 + 9x 11x + 20 = 20 + 9x Subtract 20 from both sides: 11x = 9x Subtract 9x from both sides: 2x = 0 Divide both sides by 2: x = 0


How do you solve 11x equals 20x Plus 18?

11x = 20x +1811x-20x=18x(11-20)=18-9x=18x=-2


-11x equals 220 what is x?

-11x=22011x=-220x=-220/11=-20


How do you solve 3x2 plus 20 equals 0?

3x^2=-20 so x^2=-20/3 this has no real roots but the plus of minus i(square root of 20/3) is a solution if we allow complex numbers.


What is the discriminant in the quadratic equation x to the 2nd power plus 11x plus 121 equals x plus 96 A.100 B.0 C.20 D.200?

It is B, 0.


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Lauren says the two expressions 3x plus 4(2x plus 5) and 6x plus 5x plus 5 are equivalent .Simplify the expression to determine whether or not Lauren is correct?

To simplify the expression (3x + 4(2x + 5)), first distribute the 4: [ 3x + 8x + 20 = 11x + 20. ] Now, simplify the second expression (6x + 5x + 5): [ 11x + 5. ] Since (11x + 20) is not equal to (11x + 5), Lauren is incorrect; the two expressions are not equivalent.