4x^2-18=4x(x-3)

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Solution for 4x^2-18=4x(x-3) equation:


Simplifying
4x2 + -18 = 4x(x + -3)

Reorder the terms:
-18 + 4x2 = 4x(x + -3)

Reorder the terms:
-18 + 4x2 = 4x(-3 + x)
-18 + 4x2 = (-3 * 4x + x * 4x)
-18 + 4x2 = (-12x + 4x2)

Add '-4x2' to each side of the equation.
-18 + 4x2 + -4x2 = -12x + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-18 + 0 = -12x + 4x2 + -4x2
-18 = -12x + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-18 = -12x + 0
-18 = -12x

Solving
-18 = -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-18 + 12x = -12x + 12x

Combine like terms: -12x + 12x = 0
-18 + 12x = 0

Add '18' to each side of the equation.
-18 + 18 + 12x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 12x = 0 + 18
12x = 0 + 18

Combine like terms: 0 + 18 = 18
12x = 18

Divide each side by '12'.
x = 1.5

Simplifying
x = 1.5

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