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Simplifying (x3 + x2 + x + 1)(15x + -4) = 0 Reorder the terms: (1 + x + x2 + x3)(15x + -4) = 0 Reorder the terms: (1 + x + x2 + x3)(-4 + 15x) = 0 Multiply (1 + x + x2 + x3) * (-4 + 15x) (1(-4 + 15x) + x(-4 + 15x) + x2(-4 + 15x) + x3(-4 + 15x)) = 0 ((-4 * 1 + 15x * 1) + x(-4 + 15x) + x2(-4 + 15x) + x3(-4 + 15x)) = 0 ((-4 + 15x) + x(-4 + 15x) + x2(-4 + 15x) + x3(-4 + 15x)) = 0 (-4 + 15x + (-4 * x + 15x * x) + x2(-4 + 15x) + x3(-4 + 15x)) = 0 (-4 + 15x + (-4x + 15x2) + x2(-4 + 15x) + x3(-4 + 15x)) = 0 (-4 + 15x + -4x + 15x2 + (-4 * x2 + 15x * x2) + x3(-4 + 15x)) = 0 (-4 + 15x + -4x + 15x2 + (-4x2 + 15x3) + x3(-4 + 15x)) = 0 (-4 + 15x + -4x + 15x2 + -4x2 + 15x3 + (-4 * x3 + 15x * x3)) = 0 (-4 + 15x + -4x + 15x2 + -4x2 + 15x3 + (-4x3 + 15x4)) = 0 Combine like terms: 15x + -4x = 11x (-4 + 11x + 15x2 + -4x2 + 15x3 + -4x3 + 15x4) = 0 Combine like terms: 15x2 + -4x2 = 11x2 (-4 + 11x + 11x2 + 15x3 + -4x3 + 15x4) = 0 Combine like terms: 15x3 + -4x3 = 11x3 (-4 + 11x + 11x2 + 11x3 + 15x4) = 0 Solving -4 + 11x + 11x2 + 11x3 + 15x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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