(-3x)(-4x)=7x

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Solution for (-3x)(-4x)=7x equation:


Simplifying
(-3x)(-4x) = 7x

Remove parenthesis around (-3x)
-3x(-4x) = 7x

Remove parenthesis around (-4x)
-3x * -4x = 7x

Reorder the terms for easier multiplication:
-3 * -4x * x = 7x

Multiply -3 * -4
12x * x = 7x

Multiply x * x
12x2 = 7x

Solving
12x2 = 7x

Solving for variable 'x'.

Reorder the terms:
-7x + 12x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
-7x + 12x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-7 + 12x) = 0

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 '(-7 + 12x)' equal to zero and attempt to solve: Simplifying -7 + 12x = 0 Solving -7 + 12x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 12x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 12x = 0 + 7 12x = 0 + 7 Combine like terms: 0 + 7 = 7 12x = 7 Divide each side by '12'. x = 0.5833333333 Simplifying x = 0.5833333333

Solution

x = {0, 0.5833333333}

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