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Simplifying X3 + 8x2 + 7x + -7 = 0 Reorder the terms: -7 + X3 + 7x + 8x2 = 0 Solving -7 + X3 + 7x + 8x2 = 0 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 + X3 + 7x + 7 + 8x2 = 0 + 7 Reorder the terms: -7 + 7 + X3 + 7x + 8x2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + X3 + 7x + 8x2 = 0 + 7 X3 + 7x + 8x2 = 0 + 7 Combine like terms: 0 + 7 = 7 X3 + 7x + 8x2 = 7 Add '-7x' to each side of the equation. X3 + 7x + -7x + 8x2 = 7 + -7x Combine like terms: 7x + -7x = 0 X3 + 0 + 8x2 = 7 + -7x X3 + 8x2 = 7 + -7x Add '-8x2' to each side of the equation. X3 + 8x2 + -8x2 = 7 + -7x + -8x2 Combine like terms: 8x2 + -8x2 = 0 X3 + 0 = 7 + -7x + -8x2 X3 = 7 + -7x + -8x2 Simplifying X3 = 7 + -7x + -8x2 Reorder the terms: -7 + X3 + 7x + 8x2 = 7 + -7x + -8x2 + -7 + 7x + 8x2 Reorder the terms: -7 + X3 + 7x + 8x2 = 7 + -7 + -7x + 7x + -8x2 + 8x2 Combine like terms: 7 + -7 = 0 -7 + X3 + 7x + 8x2 = 0 + -7x + 7x + -8x2 + 8x2 -7 + X3 + 7x + 8x2 = -7x + 7x + -8x2 + 8x2 Combine like terms: -7x + 7x = 0 -7 + X3 + 7x + 8x2 = 0 + -8x2 + 8x2 -7 + X3 + 7x + 8x2 = -8x2 + 8x2 Combine like terms: -8x2 + 8x2 = 0 -7 + X3 + 7x + 8x2 = 0 The solution to this equation could not be determined.
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