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Simplifying (X + -1a)(x + -7) = 0 Reorder the terms: (X + -1a)(-7 + x) = 0 Multiply (X + -1a) * (-7 + x) (X(-7 + x) + -1a * (-7 + x)) = 0 ((-7 * X + x * X) + -1a * (-7 + x)) = 0 ((-7X + xX) + -1a * (-7 + x)) = 0 (-7X + xX + (-7 * -1a + x * -1a)) = 0 (-7X + xX + (7a + -1ax)) = 0 Reorder the terms: (-7X + 7a + -1ax + xX) = 0 (-7X + 7a + -1ax + xX) = 0 Solving -7X + 7a + -1ax + xX = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-7a' to each side of the equation. -7X + 7a + -1ax + -7a + xX = 0 + -7a Reorder the terms: -7X + 7a + -7a + -1ax + xX = 0 + -7a Combine like terms: 7a + -7a = 0 -7X + 0 + -1ax + xX = 0 + -7a -7X + -1ax + xX = 0 + -7a Remove the zero: -7X + -1ax + xX = -7a Add 'ax' to each side of the equation. -7X + -1ax + ax + xX = -7a + ax Combine like terms: -1ax + ax = 0 -7X + 0 + xX = -7a + ax -7X + xX = -7a + ax Reorder the terms: -7X + 7a + -1ax + xX = -7a + ax + 7a + -1ax Reorder the terms: -7X + 7a + -1ax + xX = -7a + 7a + ax + -1ax Combine like terms: -7a + 7a = 0 -7X + 7a + -1ax + xX = 0 + ax + -1ax -7X + 7a + -1ax + xX = ax + -1ax Combine like terms: ax + -1ax = 0 -7X + 7a + -1ax + xX = 0 The solution to this equation could not be determined.
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