factorize fully 2x + 10
f(x) (x/a, x<0 and x.a , x >0 ) if f(4) = f(-1) = a=?
$\frac{\Box}{\Box}$
f(×)=
1/8 ×4/7 × 7/12=
3 whole 1 third x 2
3 whole 1 thir
3(3x-8)<3
5(4/25)
(2x^4-9x^3+13x^2-15x+9) divided by (x-3) = (2x^3-3x^2+4x-3)
1/ 5/3
