Question

Simplify by removing factors of 1.
frac{3r^2 +3r}{21r^2 +9r}
The simplified form is __

Answer 1

\[ \frac {3r^2 +3r}{21r^2 +9r} \]

Answer 2

(r+1)/(7r+3)

Answer 3

would it look like\[\frac{r+1}{7r+3}\]?

Answer 4

same answer hashir
And yes,it would