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Simplifying (x2 + 3) * 2 + 21 = 10x2 + 30 Reorder the terms: (3 + x2) * 2 + 21 = 10x2 + 30 Reorder the terms for easier multiplication: 2(3 + x2) + 21 = 10x2 + 30 (3 * 2 + x2 * 2) + 21 = 10x2 + 30 (6 + 2x2) + 21 = 10x2 + 30 Reorder the terms: 6 + 21 + 2x2 = 10x2 + 30 Combine like terms: 6 + 21 = 27 27 + 2x2 = 10x2 + 30 Reorder the terms: 27 + 2x2 = 30 + 10x2 Solving 27 + 2x2 = 30 + 10x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10x2' to each side of the equation. 27 + 2x2 + -10x2 = 30 + 10x2 + -10x2 Combine like terms: 2x2 + -10x2 = -8x2 27 + -8x2 = 30 + 10x2 + -10x2 Combine like terms: 10x2 + -10x2 = 0 27 + -8x2 = 30 + 0 27 + -8x2 = 30 Add '-27' to each side of the equation. 27 + -27 + -8x2 = 30 + -27 Combine like terms: 27 + -27 = 0 0 + -8x2 = 30 + -27 -8x2 = 30 + -27 Combine like terms: 30 + -27 = 3 -8x2 = 3 Divide each side by '-8'. x2 = -0.375 Simplifying x2 = -0.375 Reorder the terms: 0.375 + x2 = -0.375 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.375 + x2 = 0.000 The solution to this equation could not be determined.
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