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Simplifying (5x + -1)(2x + -2) = -2 Reorder the terms: (-1 + 5x)(2x + -2) = -2 Reorder the terms: (-1 + 5x)(-2 + 2x) = -2 Multiply (-1 + 5x) * (-2 + 2x) (-1(-2 + 2x) + 5x * (-2 + 2x)) = -2 ((-2 * -1 + 2x * -1) + 5x * (-2 + 2x)) = -2 ((2 + -2x) + 5x * (-2 + 2x)) = -2 (2 + -2x + (-2 * 5x + 2x * 5x)) = -2 (2 + -2x + (-10x + 10x2)) = -2 Combine like terms: -2x + -10x = -12x (2 + -12x + 10x2) = -2 Solving 2 + -12x + 10x2 = -2 Solving for variable 'x'. Reorder the terms: 2 + 2 + -12x + 10x2 = -2 + 2 Combine like terms: 2 + 2 = 4 4 + -12x + 10x2 = -2 + 2 Combine like terms: -2 + 2 = 0 4 + -12x + 10x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(2 + -6x + 5x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(2 + -6x + 5x2)' equal to zero and attempt to solve: Simplifying 2 + -6x + 5x2 = 0 Solving 2 + -6x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 0.4 + -1.2x + x2 = 0 Move the constant term to the right: Add '-0.4' to each side of the equation. 0.4 + -1.2x + -0.4 + x2 = 0 + -0.4 Reorder the terms: 0.4 + -0.4 + -1.2x + x2 = 0 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + -1.2x + x2 = 0 + -0.4 -1.2x + x2 = 0 + -0.4 Combine like terms: 0 + -0.4 = -0.4 -1.2x + x2 = -0.4 The x term is -1.2x. Take half its coefficient (-0.6). Square it (0.36) and add it to both sides. Add '0.36' to each side of the equation. -1.2x + 0.36 + x2 = -0.4 + 0.36 Reorder the terms: 0.36 + -1.2x + x2 = -0.4 + 0.36 Combine like terms: -0.4 + 0.36 = -0.04 0.36 + -1.2x + x2 = -0.04 Factor a perfect square on the left side: (x + -0.6)(x + -0.6) = -0.04 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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