Resolve into factors (i) x³-y²+x-x²y²
Answers
Answered by
5
Step-by-step explanation:
step 1 factorise x2−y2 :
x2−y2=(x+y)(x−y)
step 2 let a=x−y :
so
x2−y2+x−y=(x+y)(x−y)+(x−y)
replacing x-y to a becomes
x2−y2+x−y=(x+y)a+a
=a((x+y)+1))
taking back from a the x-y:
a((x+y)+1))=(x−y)(x+y+1)
#khushu☺️
Similar questions