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Simplifying 5x2 + 15 = 3x2 + -3 Reorder the terms: 15 + 5x2 = 3x2 + -3 Reorder the terms: 15 + 5x2 = -3 + 3x2 Solving 15 + 5x2 = -3 + 3x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x2' to each side of the equation. 15 + 5x2 + -3x2 = -3 + 3x2 + -3x2 Combine like terms: 5x2 + -3x2 = 2x2 15 + 2x2 = -3 + 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 15 + 2x2 = -3 + 0 15 + 2x2 = -3 Add '-15' to each side of the equation. 15 + -15 + 2x2 = -3 + -15 Combine like terms: 15 + -15 = 0 0 + 2x2 = -3 + -15 2x2 = -3 + -15 Combine like terms: -3 + -15 = -18 2x2 = -18 Divide each side by '2'. x2 = -9 Simplifying x2 = -9 Reorder the terms: 9 + x2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + x2 = 0 The solution to this equation could not be determined.
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