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Simplifying 3(x2 + -4x) = 10 + x Reorder the terms: 3(-4x + x2) = 10 + x (-4x * 3 + x2 * 3) = 10 + x (-12x + 3x2) = 10 + x Solving -12x + 3x2 = 10 + x Solving for variable 'x'. Reorder the terms: -10 + -12x + -1x + 3x2 = 10 + x + -10 + -1x Combine like terms: -12x + -1x = -13x -10 + -13x + 3x2 = 10 + x + -10 + -1x Reorder the terms: -10 + -13x + 3x2 = 10 + -10 + x + -1x Combine like terms: 10 + -10 = 0 -10 + -13x + 3x2 = 0 + x + -1x -10 + -13x + 3x2 = x + -1x Combine like terms: x + -1x = 0 -10 + -13x + 3x2 = 0 Factor a trinomial. (-2 + -3x)(5 + -1x) = 0Subproblem 1
Set the factor '(-2 + -3x)' equal to zero and attempt to solve: Simplifying -2 + -3x = 0 Solving -2 + -3x = 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 + -3x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3x = 0 + 2 -3x = 0 + 2 Combine like terms: 0 + 2 = 2 -3x = 2 Divide each side by '-3'. x = -0.6666666667 Simplifying x = -0.6666666667Subproblem 2
Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5Solution
x = {-0.6666666667, 5}
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