(-x2+3zx+xy)•______=2x3+6x2+2x2y.
题型:填空题难度:一般来源:不详
(-x2+3zx+xy)•______=2x3+6x2+2x2y. |
答案
(-x2+3zx+xy)•2x=2x3+6x2+2x2y. 故答案为:2x. |
举一反三
计算:(x+2)(x-3)=______;分解因式:x2-9=______. |
计算:(x+2)(x-1)=______;分解因式:x2-1=______. |
计算:(x+3)(x-4)=______,分解因式:x2-4=______. |
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