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Find the following products:(y - 4) (y + 3) |
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Answer» Using the identity : (x + a) (x + b) = x2 + (a + b) x + ab, we have (y - 4) (y- 3) = {y + (-4)} {y+ (-3)} = y2 + {(-4) + (-3)}y + (-4) × (-3) = y2 - 7y + 12 |
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