因式分解8a^3b^2+12ab^3c,75x^3y^5-35x^2y^4,1/4a^3b^2-2a^2b^3.
问题描述:
因式分解8a^3b^2+12ab^3c,75x^3y^5-35x^2y^4,1/4a^3b^2-2a^2b^3.
答
8a^3b^2+12ab^3c
=4ab^2(2a^2+3bc)
75x^3y^5-35x^2y^4
=5x^2y^4(15xy-7)
1/4a^3b^2-2a^2b^3
=1/4a^2b^2(a-8b)