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Simplifying -1x(-4x) = -18 Remove parenthesis around (-4x) -1x * -4x = -18 Reorder the terms for easier multiplication: -1 * -4x * x = -18 Multiply -1 * -4 4x * x = -18 Multiply x * x 4x2 = -18 Solving 4x2 = -18 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '4'. x2 = -4.5 Simplifying x2 = -4.5 Reorder the terms: 4.5 + x2 = -4.5 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 4.5 + x2 = 0.0 The solution to this equation could not be determined.
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