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Simplifying 4x2 + 7 = -71 Reorder the terms: 7 + 4x2 = -71 Solving 7 + 4x2 = -71 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 4x2 = -71 + -7 Combine like terms: 7 + -7 = 0 0 + 4x2 = -71 + -7 4x2 = -71 + -7 Combine like terms: -71 + -7 = -78 4x2 = -78 Divide each side by '4'. x2 = -19.5 Simplifying x2 = -19.5 Reorder the terms: 19.5 + x2 = -19.5 + 19.5 Combine like terms: -19.5 + 19.5 = 0.0 19.5 + x2 = 0.0 The solution to this equation could not be determined.
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