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Simplifying (x + 7)(x2 + 11x + 28) = 0 Reorder the terms: (7 + x)(x2 + 11x + 28) = 0 Reorder the terms: (7 + x)(28 + 11x + x2) = 0 Multiply (7 + x) * (28 + 11x + x2) (7(28 + 11x + x2) + x(28 + 11x + x2)) = 0 ((28 * 7 + 11x * 7 + x2 * 7) + x(28 + 11x + x2)) = 0 ((196 + 77x + 7x2) + x(28 + 11x + x2)) = 0 (196 + 77x + 7x2 + (28 * x + 11x * x + x2 * x)) = 0 (196 + 77x + 7x2 + (28x + 11x2 + x3)) = 0 Reorder the terms: (196 + 77x + 28x + 7x2 + 11x2 + x3) = 0 Combine like terms: 77x + 28x = 105x (196 + 105x + 7x2 + 11x2 + x3) = 0 Combine like terms: 7x2 + 11x2 = 18x2 (196 + 105x + 18x2 + x3) = 0 Solving 196 + 105x + 18x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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