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Simplifying (x2 + 2x + -15)(2x + 12) = 0 Reorder the terms: (-15 + 2x + x2)(2x + 12) = 0 Reorder the terms: (-15 + 2x + x2)(12 + 2x) = 0 Multiply (-15 + 2x + x2) * (12 + 2x) (-15(12 + 2x) + 2x * (12 + 2x) + x2(12 + 2x)) = 0 ((12 * -15 + 2x * -15) + 2x * (12 + 2x) + x2(12 + 2x)) = 0 ((-180 + -30x) + 2x * (12 + 2x) + x2(12 + 2x)) = 0 (-180 + -30x + (12 * 2x + 2x * 2x) + x2(12 + 2x)) = 0 (-180 + -30x + (24x + 4x2) + x2(12 + 2x)) = 0 (-180 + -30x + 24x + 4x2 + (12 * x2 + 2x * x2)) = 0 (-180 + -30x + 24x + 4x2 + (12x2 + 2x3)) = 0 Combine like terms: -30x + 24x = -6x (-180 + -6x + 4x2 + 12x2 + 2x3) = 0 Combine like terms: 4x2 + 12x2 = 16x2 (-180 + -6x + 16x2 + 2x3) = 0 Solving -180 + -6x + 16x2 + 2x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(-90 + -3x + 8x2 + x3) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-90 + -3x + 8x2 + x3)' equal to zero and attempt to solve: Simplifying -90 + -3x + 8x2 + x3 = 0 Solving -90 + -3x + 8x2 + x3 = 0 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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