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Simplifying (3x + -91)(x + 3) = 0 Reorder the terms: (-91 + 3x)(x + 3) = 0 Reorder the terms: (-91 + 3x)(3 + x) = 0 Multiply (-91 + 3x) * (3 + x) (-91(3 + x) + 3x * (3 + x)) = 0 ((3 * -91 + x * -91) + 3x * (3 + x)) = 0 ((-273 + -91x) + 3x * (3 + x)) = 0 (-273 + -91x + (3 * 3x + x * 3x)) = 0 (-273 + -91x + (9x + 3x2)) = 0 Combine like terms: -91x + 9x = -82x (-273 + -82x + 3x2) = 0 Solving -273 + -82x + 3x2 = 0 Solving for variable 'x'. Factor a trinomial. (-3 + -1x)(91 + -3x) = 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 '(91 + -3x)' equal to zero and attempt to solve: Simplifying 91 + -3x = 0 Solving 91 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-91' to each side of the equation. 91 + -91 + -3x = 0 + -91 Combine like terms: 91 + -91 = 0 0 + -3x = 0 + -91 -3x = 0 + -91 Combine like terms: 0 + -91 = -91 -3x = -91 Divide each side by '-3'. x = 30.33333333 Simplifying x = 30.33333333Solution
x = {-3, 30.33333333}
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