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Simplifying (3x2 + 7x + 9) + -1(7x + -8) = 0 Reorder the terms: (9 + 7x + 3x2) + -1(7x + -8) = 0 Remove parenthesis around (9 + 7x + 3x2) 9 + 7x + 3x2 + -1(7x + -8) = 0 Reorder the terms: 9 + 7x + 3x2 + -1(-8 + 7x) = 0 9 + 7x + 3x2 + (-8 * -1 + 7x * -1) = 0 9 + 7x + 3x2 + (8 + -7x) = 0 Reorder the terms: 9 + 8 + 7x + -7x + 3x2 = 0 Combine like terms: 9 + 8 = 17 17 + 7x + -7x + 3x2 = 0 Combine like terms: 7x + -7x = 0 17 + 0 + 3x2 = 0 17 + 3x2 = 0 Solving 17 + 3x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + 3x2 = 0 + -17 Combine like terms: 17 + -17 = 0 0 + 3x2 = 0 + -17 3x2 = 0 + -17 Combine like terms: 0 + -17 = -17 3x2 = -17 Divide each side by '3'. x2 = -5.666666667 Simplifying x2 = -5.666666667 Reorder the terms: 5.666666667 + x2 = -5.666666667 + 5.666666667 Combine like terms: -5.666666667 + 5.666666667 = 0.000000000 5.666666667 + x2 = 0.000000000 The solution to this equation could not be determined.
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