Question

40 POINTS! HELP! ASAP!
What is the greatest common factor of the expression 63r^2t^3+42r^3t^5
Question 4 options:
10r^3t^5
21r^2t^3
7r^2t^3
3r^5t^8

Answer 1

What is the greatest common factor of the expression 63r^2t^3+42r^3t^5
Question 4 options:
10r^3t^5
21r^2t^3
7r^2t^3
3r^5t^8

Answer is 21r^2t^3