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Simplifying (x + 3) * 2 + 5 = (x + 5)(x + -5) + (4 + -1x) Reorder the terms: (3 + x) * 2 + 5 = (x + 5)(x + -5) + (4 + -1x) Reorder the terms for easier multiplication: 2(3 + x) + 5 = (x + 5)(x + -5) + (4 + -1x) (3 * 2 + x * 2) + 5 = (x + 5)(x + -5) + (4 + -1x) (6 + 2x) + 5 = (x + 5)(x + -5) + (4 + -1x) Reorder the terms: 6 + 5 + 2x = (x + 5)(x + -5) + (4 + -1x) Combine like terms: 6 + 5 = 11 11 + 2x = (x + 5)(x + -5) + (4 + -1x) Reorder the terms: 11 + 2x = (5 + x)(x + -5) + (4 + -1x) Reorder the terms: 11 + 2x = (5 + x)(-5 + x) + (4 + -1x) Multiply (5 + x) * (-5 + x) 11 + 2x = (5(-5 + x) + x(-5 + x)) + (4 + -1x) 11 + 2x = ((-5 * 5 + x * 5) + x(-5 + x)) + (4 + -1x) 11 + 2x = ((-25 + 5x) + x(-5 + x)) + (4 + -1x) 11 + 2x = (-25 + 5x + (-5 * x + x * x)) + (4 + -1x) 11 + 2x = (-25 + 5x + (-5x + x2)) + (4 + -1x) Combine like terms: 5x + -5x = 0 11 + 2x = (-25 + 0 + x2) + (4 + -1x) 11 + 2x = (-25 + x2) + (4 + -1x) Remove parenthesis around (4 + -1x) 11 + 2x = -25 + x2 + 4 + -1x Reorder the terms: 11 + 2x = -25 + 4 + -1x + x2 Combine like terms: -25 + 4 = -21 11 + 2x = -21 + -1x + x2 Solving 11 + 2x = -21 + -1x + x2 Solving for variable 'x'. Reorder the terms: 11 + 21 + 2x + x + -1x2 = -21 + -1x + x2 + 21 + x + -1x2 Combine like terms: 11 + 21 = 32 32 + 2x + x + -1x2 = -21 + -1x + x2 + 21 + x + -1x2 Combine like terms: 2x + x = 3x 32 + 3x + -1x2 = -21 + -1x + x2 + 21 + x + -1x2 Reorder the terms: 32 + 3x + -1x2 = -21 + 21 + -1x + x + x2 + -1x2 Combine like terms: -21 + 21 = 0 32 + 3x + -1x2 = 0 + -1x + x + x2 + -1x2 32 + 3x + -1x2 = -1x + x + x2 + -1x2 Combine like terms: -1x + x = 0 32 + 3x + -1x2 = 0 + x2 + -1x2 32 + 3x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 32 + 3x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -32 + -3x + x2 = 0 Move the constant term to the right: Add '32' to each side of the equation. -32 + -3x + 32 + x2 = 0 + 32 Reorder the terms: -32 + 32 + -3x + x2 = 0 + 32 Combine like terms: -32 + 32 = 0 0 + -3x + x2 = 0 + 32 -3x + x2 = 0 + 32 Combine like terms: 0 + 32 = 32 -3x + x2 = 32 The x term is -3x. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3x + 2.25 + x2 = 32 + 2.25 Reorder the terms: 2.25 + -3x + x2 = 32 + 2.25 Combine like terms: 32 + 2.25 = 34.25 2.25 + -3x + x2 = 34.25 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = 34.25 Calculate the square root of the right side: 5.852349955 Break this problem into two subproblems by setting (x + -1.5) equal to 5.852349955 and -5.852349955.Subproblem 1
x + -1.5 = 5.852349955 Simplifying x + -1.5 = 5.852349955 Reorder the terms: -1.5 + x = 5.852349955 Solving -1.5 + x = 5.852349955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 5.852349955 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 5.852349955 + 1.5 x = 5.852349955 + 1.5 Combine like terms: 5.852349955 + 1.5 = 7.352349955 x = 7.352349955 Simplifying x = 7.352349955Subproblem 2
x + -1.5 = -5.852349955 Simplifying x + -1.5 = -5.852349955 Reorder the terms: -1.5 + x = -5.852349955 Solving -1.5 + x = -5.852349955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -5.852349955 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -5.852349955 + 1.5 x = -5.852349955 + 1.5 Combine like terms: -5.852349955 + 1.5 = -4.352349955 x = -4.352349955 Simplifying x = -4.352349955Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.352349955, -4.352349955}
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