4*(x+6)*(x-5)=4x^2-11x

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Solution for 4*(x+6)*(x-5)=4x^2-11x equation:


Simplifying
4(x + 6)(x + -5) = 4x2 + -11x

Reorder the terms:
4(6 + x)(x + -5) = 4x2 + -11x

Reorder the terms:
4(6 + x)(-5 + x) = 4x2 + -11x

Multiply (6 + x) * (-5 + x)
4(6(-5 + x) + x(-5 + x)) = 4x2 + -11x
4((-5 * 6 + x * 6) + x(-5 + x)) = 4x2 + -11x
4((-30 + 6x) + x(-5 + x)) = 4x2 + -11x
4(-30 + 6x + (-5 * x + x * x)) = 4x2 + -11x
4(-30 + 6x + (-5x + x2)) = 4x2 + -11x

Combine like terms: 6x + -5x = 1x
4(-30 + 1x + x2) = 4x2 + -11x
(-30 * 4 + 1x * 4 + x2 * 4) = 4x2 + -11x
(-120 + 4x + 4x2) = 4x2 + -11x

Reorder the terms:
-120 + 4x + 4x2 = -11x + 4x2

Add '-4x2' to each side of the equation.
-120 + 4x + 4x2 + -4x2 = -11x + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-120 + 4x + 0 = -11x + 4x2 + -4x2
-120 + 4x = -11x + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-120 + 4x = -11x + 0
-120 + 4x = -11x

Solving
-120 + 4x = -11x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '11x' to each side of the equation.
-120 + 4x + 11x = -11x + 11x

Combine like terms: 4x + 11x = 15x
-120 + 15x = -11x + 11x

Combine like terms: -11x + 11x = 0
-120 + 15x = 0

Add '120' to each side of the equation.
-120 + 120 + 15x = 0 + 120

Combine like terms: -120 + 120 = 0
0 + 15x = 0 + 120
15x = 0 + 120

Combine like terms: 0 + 120 = 120
15x = 120

Divide each side by '15'.
x = 8

Simplifying
x = 8

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