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Simplifying -4x2 + 4 = 20 Reorder the terms: 4 + -4x2 = 20 Solving 4 + -4x2 = 20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -4x2 = 20 + -4 Combine like terms: 4 + -4 = 0 0 + -4x2 = 20 + -4 -4x2 = 20 + -4 Combine like terms: 20 + -4 = 16 -4x2 = 16 Divide each side by '-4'. x2 = -4 Simplifying x2 = -4 Reorder the terms: 4 + x2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + x2 = 0 The solution to this equation could not be determined.
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