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Simplifying 4x2 + 15x + 25 = 5x2 + -9x + -2 Reorder the terms: 25 + 15x + 4x2 = 5x2 + -9x + -2 Reorder the terms: 25 + 15x + 4x2 = -2 + -9x + 5x2 Solving 25 + 15x + 4x2 = -2 + -9x + 5x2 Solving for variable 'x'. Reorder the terms: 25 + 2 + 15x + 9x + 4x2 + -5x2 = -2 + -9x + 5x2 + 2 + 9x + -5x2 Combine like terms: 25 + 2 = 27 27 + 15x + 9x + 4x2 + -5x2 = -2 + -9x + 5x2 + 2 + 9x + -5x2 Combine like terms: 15x + 9x = 24x 27 + 24x + 4x2 + -5x2 = -2 + -9x + 5x2 + 2 + 9x + -5x2 Combine like terms: 4x2 + -5x2 = -1x2 27 + 24x + -1x2 = -2 + -9x + 5x2 + 2 + 9x + -5x2 Reorder the terms: 27 + 24x + -1x2 = -2 + 2 + -9x + 9x + 5x2 + -5x2 Combine like terms: -2 + 2 = 0 27 + 24x + -1x2 = 0 + -9x + 9x + 5x2 + -5x2 27 + 24x + -1x2 = -9x + 9x + 5x2 + -5x2 Combine like terms: -9x + 9x = 0 27 + 24x + -1x2 = 0 + 5x2 + -5x2 27 + 24x + -1x2 = 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 27 + 24x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -27 + -24x + x2 = 0 Move the constant term to the right: Add '27' to each side of the equation. -27 + -24x + 27 + x2 = 0 + 27 Reorder the terms: -27 + 27 + -24x + x2 = 0 + 27 Combine like terms: -27 + 27 = 0 0 + -24x + x2 = 0 + 27 -24x + x2 = 0 + 27 Combine like terms: 0 + 27 = 27 -24x + x2 = 27 The x term is -24x. Take half its coefficient (-12). Square it (144) and add it to both sides. Add '144' to each side of the equation. -24x + 144 + x2 = 27 + 144 Reorder the terms: 144 + -24x + x2 = 27 + 144 Combine like terms: 27 + 144 = 171 144 + -24x + x2 = 171 Factor a perfect square on the left side: (x + -12)(x + -12) = 171 Calculate the square root of the right side: 13.076696831 Break this problem into two subproblems by setting (x + -12) equal to 13.076696831 and -13.076696831.Subproblem 1
x + -12 = 13.076696831 Simplifying x + -12 = 13.076696831 Reorder the terms: -12 + x = 13.076696831 Solving -12 + x = 13.076696831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = 13.076696831 + 12 Combine like terms: -12 + 12 = 0 0 + x = 13.076696831 + 12 x = 13.076696831 + 12 Combine like terms: 13.076696831 + 12 = 25.076696831 x = 25.076696831 Simplifying x = 25.076696831Subproblem 2
x + -12 = -13.076696831 Simplifying x + -12 = -13.076696831 Reorder the terms: -12 + x = -13.076696831 Solving -12 + x = -13.076696831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = -13.076696831 + 12 Combine like terms: -12 + 12 = 0 0 + x = -13.076696831 + 12 x = -13.076696831 + 12 Combine like terms: -13.076696831 + 12 = -1.076696831 x = -1.076696831 Simplifying x = -1.076696831Solution
The solution to the problem is based on the solutions from the subproblems. x = {25.076696831, -1.076696831}
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