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Simplifying (6x2 + 7x + 4)(-5x + -7) = 0 Reorder the terms: (4 + 7x + 6x2)(-5x + -7) = 0 Reorder the terms: (4 + 7x + 6x2)(-7 + -5x) = 0 Multiply (4 + 7x + 6x2) * (-7 + -5x) (4(-7 + -5x) + 7x * (-7 + -5x) + 6x2 * (-7 + -5x)) = 0 ((-7 * 4 + -5x * 4) + 7x * (-7 + -5x) + 6x2 * (-7 + -5x)) = 0 ((-28 + -20x) + 7x * (-7 + -5x) + 6x2 * (-7 + -5x)) = 0 (-28 + -20x + (-7 * 7x + -5x * 7x) + 6x2 * (-7 + -5x)) = 0 (-28 + -20x + (-49x + -35x2) + 6x2 * (-7 + -5x)) = 0 (-28 + -20x + -49x + -35x2 + (-7 * 6x2 + -5x * 6x2)) = 0 (-28 + -20x + -49x + -35x2 + (-42x2 + -30x3)) = 0 Combine like terms: -20x + -49x = -69x (-28 + -69x + -35x2 + -42x2 + -30x3) = 0 Combine like terms: -35x2 + -42x2 = -77x2 (-28 + -69x + -77x2 + -30x3) = 0 Solving -28 + -69x + -77x2 + -30x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '-1'. -1(28 + 69x + 77x2 + 30x3) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(28 + 69x + 77x2 + 30x3)' equal to zero and attempt to solve: Simplifying 28 + 69x + 77x2 + 30x3 = 0 Solving 28 + 69x + 77x2 + 30x3 = 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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