875 divide by 9 how can i do it
1/X^2 - 1/(X+1)^2 =3/4
9-3m+1-2m-3
add: 3a(a-b+c); 2b(a-b+c)
3y+6
12*19
y=(x-1)(x-2)(x-3) find x for which y 0
5n x 4