初二数学(3x²+5x-12)/(x+3)=?
问题描述:
初二数学(3x²+5x-12)/(x+3)=?
5x²-33xy-14y²
答
(3x^2+5x-12)/(x+3)=(x+3)(3x-4)/(x+3)=3x-4
初二数学(3x²+5x-12)/(x+3)=?
5x²-33xy-14y²
(3x^2+5x-12)/(x+3)=(x+3)(3x-4)/(x+3)=3x-4