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Simplifying (2x + -3)(x + 2) = 56 Reorder the terms: (-3 + 2x)(x + 2) = 56 Reorder the terms: (-3 + 2x)(2 + x) = 56 Multiply (-3 + 2x) * (2 + x) (-3(2 + x) + 2x * (2 + x)) = 56 ((2 * -3 + x * -3) + 2x * (2 + x)) = 56 ((-6 + -3x) + 2x * (2 + x)) = 56 (-6 + -3x + (2 * 2x + x * 2x)) = 56 (-6 + -3x + (4x + 2x2)) = 56 Combine like terms: -3x + 4x = 1x (-6 + 1x + 2x2) = 56 Solving -6 + 1x + 2x2 = 56 Solving for variable 'x'. Reorder the terms: -6 + -56 + 1x + 2x2 = 56 + -56 Combine like terms: -6 + -56 = -62 -62 + 1x + 2x2 = 56 + -56 Combine like terms: 56 + -56 = 0 -62 + 1x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -31 + 0.5x + x2 = 0 Move the constant term to the right: Add '31' to each side of the equation. -31 + 0.5x + 31 + x2 = 0 + 31 Reorder the terms: -31 + 31 + 0.5x + x2 = 0 + 31 Combine like terms: -31 + 31 = 0 0 + 0.5x + x2 = 0 + 31 0.5x + x2 = 0 + 31 Combine like terms: 0 + 31 = 31 0.5x + x2 = 31 The x term is 0.5x. Take half its coefficient (0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. 0.5x + 0.0625 + x2 = 31 + 0.0625 Reorder the terms: 0.0625 + 0.5x + x2 = 31 + 0.0625 Combine like terms: 31 + 0.0625 = 31.0625 0.0625 + 0.5x + x2 = 31.0625 Factor a perfect square on the left side: (x + 0.25)(x + 0.25) = 31.0625 Calculate the square root of the right side: 5.573374202 Break this problem into two subproblems by setting (x + 0.25) equal to 5.573374202 and -5.573374202.Subproblem 1
x + 0.25 = 5.573374202 Simplifying x + 0.25 = 5.573374202 Reorder the terms: 0.25 + x = 5.573374202 Solving 0.25 + x = 5.573374202 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = 5.573374202 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = 5.573374202 + -0.25 x = 5.573374202 + -0.25 Combine like terms: 5.573374202 + -0.25 = 5.323374202 x = 5.323374202 Simplifying x = 5.323374202Subproblem 2
x + 0.25 = -5.573374202 Simplifying x + 0.25 = -5.573374202 Reorder the terms: 0.25 + x = -5.573374202 Solving 0.25 + x = -5.573374202 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = -5.573374202 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = -5.573374202 + -0.25 x = -5.573374202 + -0.25 Combine like terms: -5.573374202 + -0.25 = -5.823374202 x = -5.823374202 Simplifying x = -5.823374202Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.323374202, -5.823374202}
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