Question

氷結

2x²-5xy-3y²-x+10y-3
=2x²-(5y+1)x-(3y²-10y+3)
=2x²-(5y+1)x-(y-3)(3y-1)
=｛x-(3y-1)｝{2x+(3y-1)｝
=(x+y-2)(x+2y-3)

=2x²-(5y+1)x-(y-3)(3y-1)から
=｛x-(3y-1)}{2x+(3y-1)}に変える
計算教えてください

２次式の因数分解

Answer 1

✨ Best Answer ✨

和

たすきがけです