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Simplifying
43x(-3x) = -240
Remove parenthesis around (-3x)
43x * -3x = -240
Reorder the terms for easier multiplication:
43 * -3x * x = -240
Multiply 43 * -3
-129x * x = -240
Multiply x * x
-129x2 = -240
Solving
-129x2 = -240
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-129'.
x2 = 1.860465116
Simplifying
x2 = 1.860465116
Take the square root of each side:
x = {-1.363988679, 1.363988679}
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