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Simplifying (2x + 5)(2x + 5) = 0 Reorder the terms: (5 + 2x)(2x + 5) = 0 Reorder the terms: (5 + 2x)(5 + 2x) = 0 Multiply (5 + 2x) * (5 + 2x) (5(5 + 2x) + 2x * (5 + 2x)) = 0 ((5 * 5 + 2x * 5) + 2x * (5 + 2x)) = 0 ((25 + 10x) + 2x * (5 + 2x)) = 0 (25 + 10x + (5 * 2x + 2x * 2x)) = 0 (25 + 10x + (10x + 4x2)) = 0 Combine like terms: 10x + 10x = 20x (25 + 20x + 4x2) = 0 Solving 25 + 20x + 4x2 = 0 Solving for variable 'x'. Factor a trinomial. (5 + 2x)(5 + 2x) = 0Subproblem 1
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 = -2.5Subproblem 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 = {-2.5, -2.5}
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