分解因式6X^2-13XY+6Y^2+22X-23Y+20
问题描述:
分解因式6X^2-13XY+6Y^2+22X-23Y+20
答
原式=6x^2+(22-13y)x+6y^2-23y+20
=6x^2+(22-13y)x+(3y-4)(2y-5)
=(3x-2y+5)(2x-3y+4)