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Simplifying 7 = (x + 3) * x(x + -3) Reorder the terms: 7 = (3 + x) * x(x + -3) Reorder the terms: 7 = (3 + x) * x(-3 + x) Reorder the terms for easier multiplication: 7 = x(3 + x)(-3 + x) Multiply (3 + x) * (-3 + x) 7 = x(3(-3 + x) + x(-3 + x)) 7 = x((-3 * 3 + x * 3) + x(-3 + x)) 7 = x((-9 + 3x) + x(-3 + x)) 7 = x(-9 + 3x + (-3 * x + x * x)) 7 = x(-9 + 3x + (-3x + x2)) Combine like terms: 3x + -3x = 0 7 = x(-9 + 0 + x2) 7 = x(-9 + x2) 7 = (-9 * x + x2 * x) 7 = (-9x + x3) Solving 7 = -9x + x3 Solving for variable 'x'. Reorder the terms: 7 + 9x + -1x3 = -9x + 9x + x3 + -1x3 Combine like terms: -9x + 9x = 0 7 + 9x + -1x3 = 0 + x3 + -1x3 7 + 9x + -1x3 = x3 + -1x3 Combine like terms: x3 + -1x3 = 0 7 + 9x + -1x3 = 0 The solution to this equation could not be determined.
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