Multiply and simplify:
3
r
(
3
r
+
7
)
(
r
−
7
)
\displaystyle {3}{r}{\left({3}{r}+{7}\right)}{\left({r}-{7}\right)}
3
r
(
3
r
+
7
)
(
r
−
7
)
Preview
Question 6
Submit
Try a similar question
License
[more..]
\displaystyle
Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question