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Simplifying (x2 + -1x + 7)(x + -3) = 0 Reorder the terms: (7 + -1x + x2)(x + -3) = 0 Reorder the terms: (7 + -1x + x2)(-3 + x) = 0 Multiply (7 + -1x + x2) * (-3 + x) (7(-3 + x) + -1x * (-3 + x) + x2(-3 + x)) = 0 ((-3 * 7 + x * 7) + -1x * (-3 + x) + x2(-3 + x)) = 0 ((-21 + 7x) + -1x * (-3 + x) + x2(-3 + x)) = 0 (-21 + 7x + (-3 * -1x + x * -1x) + x2(-3 + x)) = 0 (-21 + 7x + (3x + -1x2) + x2(-3 + x)) = 0 (-21 + 7x + 3x + -1x2 + (-3 * x2 + x * x2)) = 0 (-21 + 7x + 3x + -1x2 + (-3x2 + x3)) = 0 Combine like terms: 7x + 3x = 10x (-21 + 10x + -1x2 + -3x2 + x3) = 0 Combine like terms: -1x2 + -3x2 = -4x2 (-21 + 10x + -4x2 + x3) = 0 Solving -21 + 10x + -4x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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