问题
计算题
因式分解:
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答案
(1)原式=abc(a-1);(2)原式=(4x+3y)(4x-3y);
(3)原式=2(x2-2xy+y2)=2(x-y)2;
(4)原式=ab+a+b+1=(a+1)(b+1)
因式分解:
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(1)原式=abc(a-1);(2)原式=(4x+3y)(4x-3y);
(3)原式=2(x2-2xy+y2)=2(x-y)2;
(4)原式=ab+a+b+1=(a+1)(b+1)