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Simplifying 4x2 + -7x + -57 = 0 Reorder the terms: -57 + -7x + 4x2 = 0 Solving -57 + -7x + 4x2 = 0 Solving for variable 'x'. Factor a trinomial. (-3 + -1x)(19 + -4x) = 0Subproblem 1
Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3Subproblem 2
Set the factor '(19 + -4x)' equal to zero and attempt to solve: Simplifying 19 + -4x = 0 Solving 19 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + -4x = 0 + -19 Combine like terms: 19 + -19 = 0 0 + -4x = 0 + -19 -4x = 0 + -19 Combine like terms: 0 + -19 = -19 -4x = -19 Divide each side by '-4'. x = 4.75 Simplifying x = 4.75Solution
x = {-3, 4.75}
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