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Simplifying (10x2 + 2x + -12) + -1(8x2 + 4x + -2) = 0 Reorder the terms: (-12 + 2x + 10x2) + -1(8x2 + 4x + -2) = 0 Remove parenthesis around (-12 + 2x + 10x2) -12 + 2x + 10x2 + -1(8x2 + 4x + -2) = 0 Reorder the terms: -12 + 2x + 10x2 + -1(-2 + 4x + 8x2) = 0 -12 + 2x + 10x2 + (-2 * -1 + 4x * -1 + 8x2 * -1) = 0 -12 + 2x + 10x2 + (2 + -4x + -8x2) = 0 Reorder the terms: -12 + 2 + 2x + -4x + 10x2 + -8x2 = 0 Combine like terms: -12 + 2 = -10 -10 + 2x + -4x + 10x2 + -8x2 = 0 Combine like terms: 2x + -4x = -2x -10 + -2x + 10x2 + -8x2 = 0 Combine like terms: 10x2 + -8x2 = 2x2 -10 + -2x + 2x2 = 0 Solving -10 + -2x + 2x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(-5 + -1x + x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-5 + -1x + x2)' equal to zero and attempt to solve: Simplifying -5 + -1x + x2 = 0 Solving -5 + -1x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '5' to each side of the equation. -5 + -1x + 5 + x2 = 0 + 5 Reorder the terms: -5 + 5 + -1x + x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x + x2 = 0 + 5 -1x + x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -1x + x2 = 5 The x term is -1x. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1x + 0.25 + x2 = 5 + 0.25 Reorder the terms: 0.25 + -1x + x2 = 5 + 0.25 Combine like terms: 5 + 0.25 = 5.25 0.25 + -1x + x2 = 5.25 Factor a perfect square on the left side: (x + -0.5)(x + -0.5) = 5.25 Calculate the square root of the right side: 2.291287847 Break this problem into two subproblems by setting (x + -0.5) equal to 2.291287847 and -2.291287847.Subproblem 1
x + -0.5 = 2.291287847 Simplifying x + -0.5 = 2.291287847 Reorder the terms: -0.5 + x = 2.291287847 Solving -0.5 + x = 2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 2.291287847 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 2.291287847 + 0.5 x = 2.291287847 + 0.5 Combine like terms: 2.291287847 + 0.5 = 2.791287847 x = 2.791287847 Simplifying x = 2.791287847Subproblem 2
x + -0.5 = -2.291287847 Simplifying x + -0.5 = -2.291287847 Reorder the terms: -0.5 + x = -2.291287847 Solving -0.5 + x = -2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -2.291287847 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -2.291287847 + 0.5 x = -2.291287847 + 0.5 Combine like terms: -2.291287847 + 0.5 = -1.791287847 x = -1.791287847 Simplifying x = -1.791287847Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.791287847, -1.791287847}Solution
x = {2.791287847, -1.791287847}
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