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Simplifying X3 + -7x2 + 2x + -15 = x2 + 1 Reorder the terms: -15 + X3 + 2x + -7x2 = x2 + 1 Reorder the terms: -15 + X3 + 2x + -7x2 = 1 + x2 Solving -15 + X3 + 2x + -7x2 = 1 + x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '15' to each side of the equation. -15 + X3 + 2x + 15 + -7x2 = 1 + 15 + x2 Reorder the terms: -15 + 15 + X3 + 2x + -7x2 = 1 + 15 + x2 Combine like terms: -15 + 15 = 0 0 + X3 + 2x + -7x2 = 1 + 15 + x2 X3 + 2x + -7x2 = 1 + 15 + x2 Combine like terms: 1 + 15 = 16 X3 + 2x + -7x2 = 16 + x2 Add '-2x' to each side of the equation. X3 + 2x + -2x + -7x2 = 16 + -2x + x2 Combine like terms: 2x + -2x = 0 X3 + 0 + -7x2 = 16 + -2x + x2 X3 + -7x2 = 16 + -2x + x2 Add '7x2' to each side of the equation. X3 + -7x2 + 7x2 = 16 + -2x + x2 + 7x2 Combine like terms: -7x2 + 7x2 = 0 X3 + 0 = 16 + -2x + x2 + 7x2 X3 = 16 + -2x + x2 + 7x2 Combine like terms: x2 + 7x2 = 8x2 X3 = 16 + -2x + 8x2 Simplifying X3 = 16 + -2x + 8x2 Reorder the terms: -16 + X3 + 2x + -8x2 = 16 + -2x + 8x2 + -16 + 2x + -8x2 Reorder the terms: -16 + X3 + 2x + -8x2 = 16 + -16 + -2x + 2x + 8x2 + -8x2 Combine like terms: 16 + -16 = 0 -16 + X3 + 2x + -8x2 = 0 + -2x + 2x + 8x2 + -8x2 -16 + X3 + 2x + -8x2 = -2x + 2x + 8x2 + -8x2 Combine like terms: -2x + 2x = 0 -16 + X3 + 2x + -8x2 = 0 + 8x2 + -8x2 -16 + X3 + 2x + -8x2 = 8x2 + -8x2 Combine like terms: 8x2 + -8x2 = 0 -16 + X3 + 2x + -8x2 = 0 The solution to this equation could not be determined.
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