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Simplifying (x2 + x + -4)(x2 + x + 4) = 9 Reorder the terms: (-4 + x + x2)(x2 + x + 4) = 9 Reorder the terms: (-4 + x + x2)(4 + x + x2) = 9 Multiply (-4 + x + x2) * (4 + x + x2) (-4(4 + x + x2) + x(4 + x + x2) + x2(4 + x + x2)) = 9 ((4 * -4 + x * -4 + x2 * -4) + x(4 + x + x2) + x2(4 + x + x2)) = 9 ((-16 + -4x + -4x2) + x(4 + x + x2) + x2(4 + x + x2)) = 9 (-16 + -4x + -4x2 + (4 * x + x * x + x2 * x) + x2(4 + x + x2)) = 9 (-16 + -4x + -4x2 + (4x + x2 + x3) + x2(4 + x + x2)) = 9 (-16 + -4x + -4x2 + 4x + x2 + x3 + (4 * x2 + x * x2 + x2 * x2)) = 9 (-16 + -4x + -4x2 + 4x + x2 + x3 + (4x2 + x3 + x4)) = 9 Reorder the terms: (-16 + -4x + 4x + -4x2 + x2 + 4x2 + x3 + x3 + x4) = 9 Combine like terms: -4x + 4x = 0 (-16 + 0 + -4x2 + x2 + 4x2 + x3 + x3 + x4) = 9 (-16 + -4x2 + x2 + 4x2 + x3 + x3 + x4) = 9 Combine like terms: -4x2 + x2 = -3x2 (-16 + -3x2 + 4x2 + x3 + x3 + x4) = 9 Combine like terms: -3x2 + 4x2 = 1x2 (-16 + 1x2 + x3 + x3 + x4) = 9 Combine like terms: x3 + x3 = 2x3 (-16 + 1x2 + 2x3 + x4) = 9 Solving -16 + 1x2 + 2x3 + x4 = 9 Solving for variable 'x'. Reorder the terms: -16 + -9 + 1x2 + 2x3 + x4 = 9 + -9 Combine like terms: -16 + -9 = -25 -25 + 1x2 + 2x3 + x4 = 9 + -9 Combine like terms: 9 + -9 = 0 -25 + 1x2 + 2x3 + x4 = 0 The solution to this equation could not be determined.
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