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jewelscare.weebly.comjewelscare.weebly.com/uploads/1/1/0/7/110728531/2009_saler_math_book.pdf · 1. 3a2b + 6ab2 + 12a2b2 3. ax + by + bx+ay 3.3 2. a(x +5y) + 3b(x + 5y) 6. a2 —c2

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