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Simplifying -2x + -10 = x2 Reorder the terms: -10 + -2x = x2 Solving -10 + -2x = x2 Solving for variable 'x'. Combine like terms: x2 + -1x2 = 0 -10 + -2x + -1x2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(10 + 2x + x2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(10 + 2x + x2)' equal to zero and attempt to solve: Simplifying 10 + 2x + x2 = 0 Solving 10 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-10' to each side of the equation. 10 + 2x + -10 + x2 = 0 + -10 Reorder the terms: 10 + -10 + 2x + x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 2x + x2 = 0 + -10 2x + x2 = 0 + -10 Combine like terms: 0 + -10 = -10 2x + x2 = -10 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = -10 + 1 Reorder the terms: 1 + 2x + x2 = -10 + 1 Combine like terms: -10 + 1 = -9 1 + 2x + x2 = -9 Factor a perfect square on the left side: (x + 1)(x + 1) = -9 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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