问题
解答题
计算:
(1)(x+3)(x-2)
(2)(6a2b-2b-8ab3)÷(2b)
答案
(1)(x+3)(x-2),
=x2+3x-2x-6,
=x2+x-6;
(2)(6a2b-2b-8ab3)÷(2b)=3a2-1-4ab2.
计算:
(1)(x+3)(x-2)
(2)(6a2b-2b-8ab3)÷(2b)
(1)(x+3)(x-2),
=x2+3x-2x-6,
=x2+x-6;
(2)(6a2b-2b-8ab3)÷(2b)=3a2-1-4ab2.