-2x^2+7x+69-20=0

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Solution for -2x^2+7x+69-20=0 equation:


Simplifying
-2x2 + 7x + 69 + -20 = 0

Reorder the terms:
69 + -20 + 7x + -2x2 = 0

Combine like terms: 69 + -20 = 49
49 + 7x + -2x2 = 0

Solving
49 + 7x + -2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -1x)(7 + 2x) = 0

Subproblem 1

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Subproblem 2

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 = -3.5

Solution

x = {7, -3.5}

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