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Simplifying 42x2 = 23x + 5 Reorder the terms: 42x2 = 5 + 23x Solving 42x2 = 5 + 23x Solving for variable 'x'. Reorder the terms: -5 + -23x + 42x2 = 5 + 23x + -5 + -23x Reorder the terms: -5 + -23x + 42x2 = 5 + -5 + 23x + -23x Combine like terms: 5 + -5 = 0 -5 + -23x + 42x2 = 0 + 23x + -23x -5 + -23x + 42x2 = 23x + -23x Combine like terms: 23x + -23x = 0 -5 + -23x + 42x2 = 0 Factor a trinomial. (-1 + -6x)(5 + -7x) = 0Subproblem 1
Set the factor '(-1 + -6x)' equal to zero and attempt to solve: Simplifying -1 + -6x = 0 Solving -1 + -6x = 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 + -6x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -6x = 0 + 1 -6x = 0 + 1 Combine like terms: 0 + 1 = 1 -6x = 1 Divide each side by '-6'. x = -0.1666666667 Simplifying x = -0.1666666667Subproblem 2
Set the factor '(5 + -7x)' equal to zero and attempt to solve: Simplifying 5 + -7x = 0 Solving 5 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7x = 0 + -5 -7x = 0 + -5 Combine like terms: 0 + -5 = -5 -7x = -5 Divide each side by '-7'. x = 0.7142857143 Simplifying x = 0.7142857143Solution
x = {-0.1666666667, 0.7142857143}
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