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Simplifying (x2 + 3x + -7)(x2 + -3x + -5) = 0 Reorder the terms: (-7 + 3x + x2)(x2 + -3x + -5) = 0 Reorder the terms: (-7 + 3x + x2)(-5 + -3x + x2) = 0 Multiply (-7 + 3x + x2) * (-5 + -3x + x2) (-7(-5 + -3x + x2) + 3x * (-5 + -3x + x2) + x2(-5 + -3x + x2)) = 0 ((-5 * -7 + -3x * -7 + x2 * -7) + 3x * (-5 + -3x + x2) + x2(-5 + -3x + x2)) = 0 ((35 + 21x + -7x2) + 3x * (-5 + -3x + x2) + x2(-5 + -3x + x2)) = 0 (35 + 21x + -7x2 + (-5 * 3x + -3x * 3x + x2 * 3x) + x2(-5 + -3x + x2)) = 0 (35 + 21x + -7x2 + (-15x + -9x2 + 3x3) + x2(-5 + -3x + x2)) = 0 (35 + 21x + -7x2 + -15x + -9x2 + 3x3 + (-5 * x2 + -3x * x2 + x2 * x2)) = 0 (35 + 21x + -7x2 + -15x + -9x2 + 3x3 + (-5x2 + -3x3 + x4)) = 0 Reorder the terms: (35 + 21x + -15x + -7x2 + -9x2 + -5x2 + 3x3 + -3x3 + x4) = 0 Combine like terms: 21x + -15x = 6x (35 + 6x + -7x2 + -9x2 + -5x2 + 3x3 + -3x3 + x4) = 0 Combine like terms: -7x2 + -9x2 = -16x2 (35 + 6x + -16x2 + -5x2 + 3x3 + -3x3 + x4) = 0 Combine like terms: -16x2 + -5x2 = -21x2 (35 + 6x + -21x2 + 3x3 + -3x3 + x4) = 0 Combine like terms: 3x3 + -3x3 = 0 (35 + 6x + -21x2 + 0 + x4) = 0 (35 + 6x + -21x2 + x4) = 0 Solving 35 + 6x + -21x2 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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