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(a-1 )x^ + a^2xy + (a + 1 ) y^2 |
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Answer» (a - 1)x² + a²xy + (a + 1)y² = (a - 1)x² + (a² - 1 + 1)xy + (a + 1)y² = (a - 1)x² + {(a - 1)(a + 1) + 1}xy + (a + 1)y² = (a - 1)x² + (a - 1)(a + 1)xy + xy + (a + 1)y² = (a - 1)x{x + (a + 1)y} + y{x + (a + 1)y} = (x + ay + y)(ax - x + y) it is the answer plz help me to solve |
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