4x(x)=(4x-15)(x-6)

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Solution for 4x(x)=(4x-15)(x-6) equation:


Simplifying
4x(x) = (4x + -15)(x + -6)

Multiply x * x
4x2 = (4x + -15)(x + -6)

Reorder the terms:
4x2 = (-15 + 4x)(x + -6)

Reorder the terms:
4x2 = (-15 + 4x)(-6 + x)

Multiply (-15 + 4x) * (-6 + x)
4x2 = (-15(-6 + x) + 4x * (-6 + x))
4x2 = ((-6 * -15 + x * -15) + 4x * (-6 + x))
4x2 = ((90 + -15x) + 4x * (-6 + x))
4x2 = (90 + -15x + (-6 * 4x + x * 4x))
4x2 = (90 + -15x + (-24x + 4x2))

Combine like terms: -15x + -24x = -39x
4x2 = (90 + -39x + 4x2)

Add '-4x2' to each side of the equation.
4x2 + -4x2 = 90 + -39x + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
0 = 90 + -39x + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
0 = 90 + -39x + 0
0 = 90 + -39x

Solving
0 = 90 + -39x

Solving for variable 'x'.

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

Add '39x' to each side of the equation.
0 + 39x = 90 + -39x + 39x
Remove the zero:
39x = 90 + -39x + 39x

Combine like terms: -39x + 39x = 0
39x = 90 + 0
39x = 90

Divide each side by '39'.
x = 2.307692308

Simplifying
x = 2.307692308

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