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Simplifying -1x = 9x2 + -10 Reorder the terms: -1x = -10 + 9x2 Solving -1x = -10 + 9x2 Solving for variable 'x'. Reorder the terms: 10 + -1x + -9x2 = -10 + 9x2 + 10 + -9x2 Reorder the terms: 10 + -1x + -9x2 = -10 + 10 + 9x2 + -9x2 Combine like terms: -10 + 10 = 0 10 + -1x + -9x2 = 0 + 9x2 + -9x2 10 + -1x + -9x2 = 9x2 + -9x2 Combine like terms: 9x2 + -9x2 = 0 10 + -1x + -9x2 = 0 Factor a trinomial. (1 + -1x)(10 + 9x) = 0Subproblem 1
Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1Subproblem 2
Set the factor '(10 + 9x)' equal to zero and attempt to solve: Simplifying 10 + 9x = 0 Solving 10 + 9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 9x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 9x = 0 + -10 9x = 0 + -10 Combine like terms: 0 + -10 = -10 9x = -10 Divide each side by '9'. x = -1.111111111 Simplifying x = -1.111111111Solution
x = {1, -1.111111111}
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