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Simplifying (5x2 + -7x + 7)(6x + 9) = 0 Reorder the terms: (7 + -7x + 5x2)(6x + 9) = 0 Reorder the terms: (7 + -7x + 5x2)(9 + 6x) = 0 Multiply (7 + -7x + 5x2) * (9 + 6x) (7(9 + 6x) + -7x * (9 + 6x) + 5x2 * (9 + 6x)) = 0 ((9 * 7 + 6x * 7) + -7x * (9 + 6x) + 5x2 * (9 + 6x)) = 0 ((63 + 42x) + -7x * (9 + 6x) + 5x2 * (9 + 6x)) = 0 (63 + 42x + (9 * -7x + 6x * -7x) + 5x2 * (9 + 6x)) = 0 (63 + 42x + (-63x + -42x2) + 5x2 * (9 + 6x)) = 0 (63 + 42x + -63x + -42x2 + (9 * 5x2 + 6x * 5x2)) = 0 (63 + 42x + -63x + -42x2 + (45x2 + 30x3)) = 0 Combine like terms: 42x + -63x = -21x (63 + -21x + -42x2 + 45x2 + 30x3) = 0 Combine like terms: -42x2 + 45x2 = 3x2 (63 + -21x + 3x2 + 30x3) = 0 Solving 63 + -21x + 3x2 + 30x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '3'. 3(21 + -7x + x2 + 10x3) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(21 + -7x + x2 + 10x3)' equal to zero and attempt to solve: Simplifying 21 + -7x + x2 + 10x3 = 0 Solving 21 + -7x + x2 + 10x3 = 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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