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Simplifying (x + -4)(x2 + 4x + 16) = 0 Reorder the terms: (-4 + x)(x2 + 4x + 16) = 0 Reorder the terms: (-4 + x)(16 + 4x + x2) = 0 Multiply (-4 + x) * (16 + 4x + x2) (-4(16 + 4x + x2) + x(16 + 4x + x2)) = 0 ((16 * -4 + 4x * -4 + x2 * -4) + x(16 + 4x + x2)) = 0 ((-64 + -16x + -4x2) + x(16 + 4x + x2)) = 0 (-64 + -16x + -4x2 + (16 * x + 4x * x + x2 * x)) = 0 (-64 + -16x + -4x2 + (16x + 4x2 + x3)) = 0 Reorder the terms: (-64 + -16x + 16x + -4x2 + 4x2 + x3) = 0 Combine like terms: -16x + 16x = 0 (-64 + 0 + -4x2 + 4x2 + x3) = 0 (-64 + -4x2 + 4x2 + x3) = 0 Combine like terms: -4x2 + 4x2 = 0 (-64 + 0 + x3) = 0 (-64 + x3) = 0 Solving -64 + x3 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '64' to each side of the equation. -64 + 64 + x3 = 0 + 64 Combine like terms: -64 + 64 = 0 0 + x3 = 0 + 64 x3 = 0 + 64 Combine like terms: 0 + 64 = 64 x3 = 64 Simplifying x3 = 64 Reorder the terms: -64 + x3 = 64 + -64 Combine like terms: 64 + -64 = 0 -64 + x3 = 0 The solution to this equation could not be determined.
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