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Simplifying (x + 7) * x(x + 7) = 64 Reorder the terms: (7 + x) * x(x + 7) = 64 Reorder the terms: (7 + x) * x(7 + x) = 64 Reorder the terms for easier multiplication: x(7 + x)(7 + x) = 64 Multiply (7 + x) * (7 + x) x(7(7 + x) + x(7 + x)) = 64 x((7 * 7 + x * 7) + x(7 + x)) = 64 x((49 + 7x) + x(7 + x)) = 64 x(49 + 7x + (7 * x + x * x)) = 64 x(49 + 7x + (7x + x2)) = 64 Combine like terms: 7x + 7x = 14x x(49 + 14x + x2) = 64 (49 * x + 14x * x + x2 * x) = 64 (49x + 14x2 + x3) = 64 Solving 49x + 14x2 + x3 = 64 Solving for variable 'x'. Reorder the terms: -64 + 49x + 14x2 + x3 = 64 + -64 Combine like terms: 64 + -64 = 0 -64 + 49x + 14x2 + x3 = 0 The solution to this equation could not be determined.
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