Mathematics
Senior High
Resolved

これ教えてください!

に。 x² +5xy+6y²-2x-7y-3 Jol

Answers

✨ Best Answer ✨

xについて降べきの順にならべる。
x^2+5xy-2x+6y^2-7y-3
=x^2+(5y-2)x+(2y-3)(3y+1)
たすき掛けの要領で、
+(2y-3)+(3y+1)=5y-2になることから、
=(x+2y-3)(x+3y+1)

gelflag

ありがとうございます!

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉