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Simplifying X2 + 8x + 7 = 91 Reorder the terms: 7 + X2 + 8x = 91 Solving 7 + X2 + 8x = 91 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 + X2 + -7 + 8x = 91 + -7 Reorder the terms: 7 + -7 + X2 + 8x = 91 + -7 Combine like terms: 7 + -7 = 0 0 + X2 + 8x = 91 + -7 X2 + 8x = 91 + -7 Combine like terms: 91 + -7 = 84 X2 + 8x = 84 Add '-8x' to each side of the equation. X2 + 8x + -8x = 84 + -8x Combine like terms: 8x + -8x = 0 X2 + 0 = 84 + -8x X2 = 84 + -8x Simplifying X2 = 84 + -8x Reorder the terms: -84 + X2 + 8x = 84 + -8x + -84 + 8x Reorder the terms: -84 + X2 + 8x = 84 + -84 + -8x + 8x Combine like terms: 84 + -84 = 0 -84 + X2 + 8x = 0 + -8x + 8x -84 + X2 + 8x = -8x + 8x Combine like terms: -8x + 8x = 0 -84 + X2 + 8x = 0 The solution to this equation could not be determined.
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