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Simplifying -4x2 + 8 = 15 Reorder the terms: 8 + -4x2 = 15 Solving 8 + -4x2 = 15 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -4x2 = 15 + -8 Combine like terms: 8 + -8 = 0 0 + -4x2 = 15 + -8 -4x2 = 15 + -8 Combine like terms: 15 + -8 = 7 -4x2 = 7 Divide each side by '-4'. x2 = -1.75 Simplifying x2 = -1.75 Reorder the terms: 1.75 + x2 = -1.75 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 1.75 + x2 = 0.00 The solution to this equation could not be determined.
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