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Simplifying 2x2 + -21x + 35 = -4x Reorder the terms: 35 + -21x + 2x2 = -4x Solving 35 + -21x + 2x2 = -4x Solving for variable 'x'. Reorder the terms: 35 + -21x + 4x + 2x2 = -4x + 4x Combine like terms: -21x + 4x = -17x 35 + -17x + 2x2 = -4x + 4x Combine like terms: -4x + 4x = 0 35 + -17x + 2x2 = 0 Factor a trinomial. (7 + -2x)(5 + -1x) = 0Subproblem 1
Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5Subproblem 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 = {3.5, 5}
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