x(2x-7)=(2x+1)(x-8)

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Solution for x(2x-7)=(2x+1)(x-8) equation:


Simplifying
x(2x + -7) = (2x + 1)(x + -8)

Reorder the terms:
x(-7 + 2x) = (2x + 1)(x + -8)
(-7 * x + 2x * x) = (2x + 1)(x + -8)
(-7x + 2x2) = (2x + 1)(x + -8)

Reorder the terms:
-7x + 2x2 = (1 + 2x)(x + -8)

Reorder the terms:
-7x + 2x2 = (1 + 2x)(-8 + x)

Multiply (1 + 2x) * (-8 + x)
-7x + 2x2 = (1(-8 + x) + 2x * (-8 + x))
-7x + 2x2 = ((-8 * 1 + x * 1) + 2x * (-8 + x))
-7x + 2x2 = ((-8 + 1x) + 2x * (-8 + x))
-7x + 2x2 = (-8 + 1x + (-8 * 2x + x * 2x))
-7x + 2x2 = (-8 + 1x + (-16x + 2x2))

Combine like terms: 1x + -16x = -15x
-7x + 2x2 = (-8 + -15x + 2x2)

Add '-2x2' to each side of the equation.
-7x + 2x2 + -2x2 = -8 + -15x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-7x + 0 = -8 + -15x + 2x2 + -2x2
-7x = -8 + -15x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-7x = -8 + -15x + 0
-7x = -8 + -15x

Solving
-7x = -8 + -15x

Solving for variable 'x'.

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

Add '15x' to each side of the equation.
-7x + 15x = -8 + -15x + 15x

Combine like terms: -7x + 15x = 8x
8x = -8 + -15x + 15x

Combine like terms: -15x + 15x = 0
8x = -8 + 0
8x = -8

Divide each side by '8'.
x = -1

Simplifying
x = -1

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