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Simplifying
(3x)(4x) = 7x2
Remove parenthesis around (3x)
3x(4x) = 7x2
Remove parenthesis around (4x)
3x * 4x = 7x2
Reorder the terms for easier multiplication:
3 * 4x * x = 7x2
Multiply 3 * 4
12x * x = 7x2
Multiply x * x
12x2 = 7x2
Solving
12x2 = 7x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-7x2' to each side of the equation.
12x2 + -7x2 = 7x2 + -7x2
Combine like terms: 12x2 + -7x2 = 5x2
5x2 = 7x2 + -7x2
Combine like terms: 7x2 + -7x2 = 0
5x2 = 0
Divide each side by '5'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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