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Simplifying (4x + 3u)(3x + -7u + -7) = 0 Reorder the terms: (3u + 4x)(3x + -7u + -7) = 0 Reorder the terms: (3u + 4x)(-7 + -7u + 3x) = 0 Multiply (3u + 4x) * (-7 + -7u + 3x) (3u * (-7 + -7u + 3x) + 4x * (-7 + -7u + 3x)) = 0 ((-7 * 3u + -7u * 3u + 3x * 3u) + 4x * (-7 + -7u + 3x)) = 0 Reorder the terms: ((-21u + 9ux + -21u2) + 4x * (-7 + -7u + 3x)) = 0 ((-21u + 9ux + -21u2) + 4x * (-7 + -7u + 3x)) = 0 (-21u + 9ux + -21u2 + (-7 * 4x + -7u * 4x + 3x * 4x)) = 0 Reorder the terms: (-21u + 9ux + -21u2 + (-28ux + -28x + 12x2)) = 0 (-21u + 9ux + -21u2 + (-28ux + -28x + 12x2)) = 0 Reorder the terms: (-21u + 9ux + -28ux + -21u2 + -28x + 12x2) = 0 Combine like terms: 9ux + -28ux = -19ux (-21u + -19ux + -21u2 + -28x + 12x2) = 0 Solving -21u + -19ux + -21u2 + -28x + 12x2 = 0 Solving for variable 'u'. The solution to this equation could not be determined.
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