8x^2-18=2(2x-3)(2x+3)

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Solution for 8x^2-18=2(2x-3)(2x+3) equation:


Simplifying
8x2 + -18 = 2(2x + -3)(2x + 3)

Reorder the terms:
-18 + 8x2 = 2(2x + -3)(2x + 3)

Reorder the terms:
-18 + 8x2 = 2(-3 + 2x)(2x + 3)

Reorder the terms:
-18 + 8x2 = 2(-3 + 2x)(3 + 2x)

Multiply (-3 + 2x) * (3 + 2x)
-18 + 8x2 = 2(-3(3 + 2x) + 2x * (3 + 2x))
-18 + 8x2 = 2((3 * -3 + 2x * -3) + 2x * (3 + 2x))
-18 + 8x2 = 2((-9 + -6x) + 2x * (3 + 2x))
-18 + 8x2 = 2(-9 + -6x + (3 * 2x + 2x * 2x))
-18 + 8x2 = 2(-9 + -6x + (6x + 4x2))

Combine like terms: -6x + 6x = 0
-18 + 8x2 = 2(-9 + 0 + 4x2)
-18 + 8x2 = 2(-9 + 4x2)
-18 + 8x2 = (-9 * 2 + 4x2 * 2)
-18 + 8x2 = (-18 + 8x2)

Add '18' to each side of the equation.
-18 + 18 + 8x2 = -18 + 18 + 8x2

Combine like terms: -18 + 18 = 0
0 + 8x2 = -18 + 18 + 8x2
8x2 = -18 + 18 + 8x2

Combine like terms: -18 + 18 = 0
8x2 = 0 + 8x2
8x2 = 8x2

Add '-8x2' to each side of the equation.
8x2 + -8x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
0 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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