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Simplifying (5x + 7)(x2 + 2x + -3) = 0 Reorder the terms: (7 + 5x)(x2 + 2x + -3) = 0 Reorder the terms: (7 + 5x)(-3 + 2x + x2) = 0 Multiply (7 + 5x) * (-3 + 2x + x2) (7(-3 + 2x + x2) + 5x * (-3 + 2x + x2)) = 0 ((-3 * 7 + 2x * 7 + x2 * 7) + 5x * (-3 + 2x + x2)) = 0 ((-21 + 14x + 7x2) + 5x * (-3 + 2x + x2)) = 0 (-21 + 14x + 7x2 + (-3 * 5x + 2x * 5x + x2 * 5x)) = 0 (-21 + 14x + 7x2 + (-15x + 10x2 + 5x3)) = 0 Reorder the terms: (-21 + 14x + -15x + 7x2 + 10x2 + 5x3) = 0 Combine like terms: 14x + -15x = -1x (-21 + -1x + 7x2 + 10x2 + 5x3) = 0 Combine like terms: 7x2 + 10x2 = 17x2 (-21 + -1x + 17x2 + 5x3) = 0 Solving -21 + -1x + 17x2 + 5x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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