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Simplifying 4x2 + -13x + 7 = -3 Reorder the terms: 7 + -13x + 4x2 = -3 Solving 7 + -13x + 4x2 = -3 Solving for variable 'x'. Reorder the terms: 7 + 3 + -13x + 4x2 = -3 + 3 Combine like terms: 7 + 3 = 10 10 + -13x + 4x2 = -3 + 3 Combine like terms: -3 + 3 = 0 10 + -13x + 4x2 = 0 Factor a trinomial. (5 + -4x)(2 + -1x) = 0Subproblem 1
Set the factor '(5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25Subproblem 2
Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2Solution
x = {1.25, 2}
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