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Simplifying 25X2 + 20X = -4 Reorder the terms: 20X + 25X2 = -4 Solving 20X + 25X2 = -4 Solving for variable 'X'. Reorder the terms: 4 + 20X + 25X2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + 20X + 25X2 = 0 Factor a trinomial. (2 + 5X)(2 + 5X) = 0Subproblem 1
Set the factor '(2 + 5X)' equal to zero and attempt to solve: Simplifying 2 + 5X = 0 Solving 2 + 5X = 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 + 5X = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5X = 0 + -2 5X = 0 + -2 Combine like terms: 0 + -2 = -2 5X = -2 Divide each side by '5'. X = -0.4 Simplifying X = -0.4Subproblem 2
Set the factor '(2 + 5X)' equal to zero and attempt to solve: Simplifying 2 + 5X = 0 Solving 2 + 5X = 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 + 5X = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5X = 0 + -2 5X = 0 + -2 Combine like terms: 0 + -2 = -2 5X = -2 Divide each side by '5'. X = -0.4 Simplifying X = -0.4Solution
X = {-0.4, -0.4}
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