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Find the product:(x + 3y) (3x – y) |
Answer» (x + 3y) (3x – y) = x (3x – y) + 3y (3x – y) = x × 3x – x × y + 3y × 3x – 3y × y = 3x2 – xy + 9yx – 3y2 = 3x2 – xy + 9xy – 3y2 = 3x2 + 8xy – 3y2 |
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