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Simplifying -4x2 + -72 = 0 Reorder the terms: -72 + -4x2 = 0 Solving -72 + -4x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '72' to each side of the equation. -72 + 72 + -4x2 = 0 + 72 Combine like terms: -72 + 72 = 0 0 + -4x2 = 0 + 72 -4x2 = 0 + 72 Combine like terms: 0 + 72 = 72 -4x2 = 72 Divide each side by '-4'. x2 = -18 Simplifying x2 = -18 Reorder the terms: 18 + x2 = -18 + 18 Combine like terms: -18 + 18 = 0 18 + x2 = 0 The solution to this equation could not be determined.
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