factorize 21u-49v+35w
ind total number of terms in (1+x)^101.(1+x^2-x)^100
bˆ(2a)-4(a)ˆb=121
50/100 or 5/10
bˆ(2a)-4(a)ˆb=49
factorize 2p+4q+6r
1
factorize 3p-15q
2(-1)^3
$3x_{2}$ -21
