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Simplifying (x + 3)(x2 + 6x + -7) = 0 Reorder the terms: (3 + x)(x2 + 6x + -7) = 0 Reorder the terms: (3 + x)(-7 + 6x + x2) = 0 Multiply (3 + x) * (-7 + 6x + x2) (3(-7 + 6x + x2) + x(-7 + 6x + x2)) = 0 ((-7 * 3 + 6x * 3 + x2 * 3) + x(-7 + 6x + x2)) = 0 ((-21 + 18x + 3x2) + x(-7 + 6x + x2)) = 0 (-21 + 18x + 3x2 + (-7 * x + 6x * x + x2 * x)) = 0 (-21 + 18x + 3x2 + (-7x + 6x2 + x3)) = 0 Reorder the terms: (-21 + 18x + -7x + 3x2 + 6x2 + x3) = 0 Combine like terms: 18x + -7x = 11x (-21 + 11x + 3x2 + 6x2 + x3) = 0 Combine like terms: 3x2 + 6x2 = 9x2 (-21 + 11x + 9x2 + x3) = 0 Solving -21 + 11x + 9x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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