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Simplifying (x + 7)(x2 + -7x + 49) = 0 Reorder the terms: (7 + x)(x2 + -7x + 49) = 0 Reorder the terms: (7 + x)(49 + -7x + x2) = 0 Multiply (7 + x) * (49 + -7x + x2) (7(49 + -7x + x2) + x(49 + -7x + x2)) = 0 ((49 * 7 + -7x * 7 + x2 * 7) + x(49 + -7x + x2)) = 0 ((343 + -49x + 7x2) + x(49 + -7x + x2)) = 0 (343 + -49x + 7x2 + (49 * x + -7x * x + x2 * x)) = 0 (343 + -49x + 7x2 + (49x + -7x2 + x3)) = 0 Reorder the terms: (343 + -49x + 49x + 7x2 + -7x2 + x3) = 0 Combine like terms: -49x + 49x = 0 (343 + 0 + 7x2 + -7x2 + x3) = 0 (343 + 7x2 + -7x2 + x3) = 0 Combine like terms: 7x2 + -7x2 = 0 (343 + 0 + x3) = 0 (343 + x3) = 0 Solving 343 + x3 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-343' to each side of the equation. 343 + -343 + x3 = 0 + -343 Combine like terms: 343 + -343 = 0 0 + x3 = 0 + -343 x3 = 0 + -343 Combine like terms: 0 + -343 = -343 x3 = -343 Simplifying x3 = -343 Reorder the terms: 343 + x3 = -343 + 343 Combine like terms: -343 + 343 = 0 343 + x3 = 0 The solution to this equation could not be determined.
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