x(2x-3)=(2x+1)(x-4)

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Solution for x(2x-3)=(2x+1)(x-4) equation:


Simplifying
x(2x + -3) = (2x + 1)(x + -4)

Reorder the terms:
x(-3 + 2x) = (2x + 1)(x + -4)
(-3 * x + 2x * x) = (2x + 1)(x + -4)
(-3x + 2x2) = (2x + 1)(x + -4)

Reorder the terms:
-3x + 2x2 = (1 + 2x)(x + -4)

Reorder the terms:
-3x + 2x2 = (1 + 2x)(-4 + x)

Multiply (1 + 2x) * (-4 + x)
-3x + 2x2 = (1(-4 + x) + 2x * (-4 + x))
-3x + 2x2 = ((-4 * 1 + x * 1) + 2x * (-4 + x))
-3x + 2x2 = ((-4 + 1x) + 2x * (-4 + x))
-3x + 2x2 = (-4 + 1x + (-4 * 2x + x * 2x))
-3x + 2x2 = (-4 + 1x + (-8x + 2x2))

Combine like terms: 1x + -8x = -7x
-3x + 2x2 = (-4 + -7x + 2x2)

Add '-2x2' to each side of the equation.
-3x + 2x2 + -2x2 = -4 + -7x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-3x + 0 = -4 + -7x + 2x2 + -2x2
-3x = -4 + -7x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-3x = -4 + -7x + 0
-3x = -4 + -7x

Solving
-3x = -4 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-3x + 7x = -4 + -7x + 7x

Combine like terms: -3x + 7x = 4x
4x = -4 + -7x + 7x

Combine like terms: -7x + 7x = 0
4x = -4 + 0
4x = -4

Divide each side by '4'.
x = -1

Simplifying
x = -1

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