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Simplifying (5x + -6) * x(3x + 5) = 142 Reorder the terms: (-6 + 5x) * x(3x + 5) = 142 Reorder the terms: (-6 + 5x) * x(5 + 3x) = 142 Reorder the terms for easier multiplication: x(-6 + 5x)(5 + 3x) = 142 Multiply (-6 + 5x) * (5 + 3x) x(-6(5 + 3x) + 5x * (5 + 3x)) = 142 x((5 * -6 + 3x * -6) + 5x * (5 + 3x)) = 142 x((-30 + -18x) + 5x * (5 + 3x)) = 142 x(-30 + -18x + (5 * 5x + 3x * 5x)) = 142 x(-30 + -18x + (25x + 15x2)) = 142 Combine like terms: -18x + 25x = 7x x(-30 + 7x + 15x2) = 142 (-30 * x + 7x * x + 15x2 * x) = 142 (-30x + 7x2 + 15x3) = 142 Solving -30x + 7x2 + 15x3 = 142 Solving for variable 'x'. Reorder the terms: -142 + -30x + 7x2 + 15x3 = 142 + -142 Combine like terms: 142 + -142 = 0 -142 + -30x + 7x2 + 15x3 = 0 The solution to this equation could not be determined.
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