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Simplifying 6x2 + 7x + -51 = 4x + -6 Reorder the terms: -51 + 7x + 6x2 = 4x + -6 Reorder the terms: -51 + 7x + 6x2 = -6 + 4x Solving -51 + 7x + 6x2 = -6 + 4x Solving for variable 'x'. Reorder the terms: -51 + 6 + 7x + -4x + 6x2 = -6 + 4x + 6 + -4x Combine like terms: -51 + 6 = -45 -45 + 7x + -4x + 6x2 = -6 + 4x + 6 + -4x Combine like terms: 7x + -4x = 3x -45 + 3x + 6x2 = -6 + 4x + 6 + -4x Reorder the terms: -45 + 3x + 6x2 = -6 + 6 + 4x + -4x Combine like terms: -6 + 6 = 0 -45 + 3x + 6x2 = 0 + 4x + -4x -45 + 3x + 6x2 = 4x + -4x Combine like terms: 4x + -4x = 0 -45 + 3x + 6x2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(-15 + x + 2x2) = 0 Factor a trinomial. 3((-3 + -1x)(5 + -2x)) = 0 Ignore the factor 3.Subproblem 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 '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5Solution
x = {-3, 2.5}
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