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Simplifying -4x2 + -28 = 0 Reorder the terms: -28 + -4x2 = 0 Solving -28 + -4x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '28' to each side of the equation. -28 + 28 + -4x2 = 0 + 28 Combine like terms: -28 + 28 = 0 0 + -4x2 = 0 + 28 -4x2 = 0 + 28 Combine like terms: 0 + 28 = 28 -4x2 = 28 Divide each side by '-4'. x2 = -7 Simplifying x2 = -7 Reorder the terms: 7 + x2 = -7 + 7 Combine like terms: -7 + 7 = 0 7 + x2 = 0 The solution to this equation could not be determined.
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