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Simplifying (7x2 + 5x + 7)(4x + -6) = 0 Reorder the terms: (7 + 5x + 7x2)(4x + -6) = 0 Reorder the terms: (7 + 5x + 7x2)(-6 + 4x) = 0 Multiply (7 + 5x + 7x2) * (-6 + 4x) (7(-6 + 4x) + 5x * (-6 + 4x) + 7x2 * (-6 + 4x)) = 0 ((-6 * 7 + 4x * 7) + 5x * (-6 + 4x) + 7x2 * (-6 + 4x)) = 0 ((-42 + 28x) + 5x * (-6 + 4x) + 7x2 * (-6 + 4x)) = 0 (-42 + 28x + (-6 * 5x + 4x * 5x) + 7x2 * (-6 + 4x)) = 0 (-42 + 28x + (-30x + 20x2) + 7x2 * (-6 + 4x)) = 0 (-42 + 28x + -30x + 20x2 + (-6 * 7x2 + 4x * 7x2)) = 0 (-42 + 28x + -30x + 20x2 + (-42x2 + 28x3)) = 0 Combine like terms: 28x + -30x = -2x (-42 + -2x + 20x2 + -42x2 + 28x3) = 0 Combine like terms: 20x2 + -42x2 = -22x2 (-42 + -2x + -22x2 + 28x3) = 0 Solving -42 + -2x + -22x2 + 28x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(-21 + -1x + -11x2 + 14x3) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-21 + -1x + -11x2 + 14x3)' equal to zero and attempt to solve: Simplifying -21 + -1x + -11x2 + 14x3 = 0 Solving -21 + -1x + -11x2 + 14x3 = 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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