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Simplifying (5x + 4)(4x2 + -19x + -51) = 0 Reorder the terms: (4 + 5x)(4x2 + -19x + -51) = 0 Reorder the terms: (4 + 5x)(-51 + -19x + 4x2) = 0 Multiply (4 + 5x) * (-51 + -19x + 4x2) (4(-51 + -19x + 4x2) + 5x * (-51 + -19x + 4x2)) = 0 ((-51 * 4 + -19x * 4 + 4x2 * 4) + 5x * (-51 + -19x + 4x2)) = 0 ((-204 + -76x + 16x2) + 5x * (-51 + -19x + 4x2)) = 0 (-204 + -76x + 16x2 + (-51 * 5x + -19x * 5x + 4x2 * 5x)) = 0 (-204 + -76x + 16x2 + (-255x + -95x2 + 20x3)) = 0 Reorder the terms: (-204 + -76x + -255x + 16x2 + -95x2 + 20x3) = 0 Combine like terms: -76x + -255x = -331x (-204 + -331x + 16x2 + -95x2 + 20x3) = 0 Combine like terms: 16x2 + -95x2 = -79x2 (-204 + -331x + -79x2 + 20x3) = 0 Solving -204 + -331x + -79x2 + 20x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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