(7x+12)(7x-12)=49x-144

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Solution for (7x+12)(7x-12)=49x-144 equation:


Simplifying
(7x + 12)(7x + -12) = 49x + -144

Reorder the terms:
(12 + 7x)(7x + -12) = 49x + -144

Reorder the terms:
(12 + 7x)(-12 + 7x) = 49x + -144

Multiply (12 + 7x) * (-12 + 7x)
(12(-12 + 7x) + 7x * (-12 + 7x)) = 49x + -144
((-12 * 12 + 7x * 12) + 7x * (-12 + 7x)) = 49x + -144
((-144 + 84x) + 7x * (-12 + 7x)) = 49x + -144
(-144 + 84x + (-12 * 7x + 7x * 7x)) = 49x + -144
(-144 + 84x + (-84x + 49x2)) = 49x + -144

Combine like terms: 84x + -84x = 0
(-144 + 0 + 49x2) = 49x + -144
(-144 + 49x2) = 49x + -144

Reorder the terms:
-144 + 49x2 = -144 + 49x

Add '144' to each side of the equation.
-144 + 144 + 49x2 = -144 + 144 + 49x

Combine like terms: -144 + 144 = 0
0 + 49x2 = -144 + 144 + 49x
49x2 = -144 + 144 + 49x

Combine like terms: -144 + 144 = 0
49x2 = 0 + 49x
49x2 = 49x

Solving
49x2 = 49x

Solving for variable 'x'.

Reorder the terms:
-49x + 49x2 = 49x + -49x

Combine like terms: 49x + -49x = 0
-49x + 49x2 = 0

Factor out the Greatest Common Factor (GCF), '49x'.
49x(-1 + x) = 0

Ignore the factor 49.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-1 + x)' equal to zero and attempt to solve: Simplifying -1 + x = 0 Solving -1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + x = 0 + 1 x = 0 + 1 Combine like terms: 0 + 1 = 1 x = 1 Simplifying x = 1

Solution

x = {0, 1}

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