Asked by Anneliese
Please check my work and correct if necessary. Thank You.
Using factoring and zero-product property, this is my solution for 9^2-30r+21=-4.
9r^2-30r+21=-4
9r^2-30r+25=0
(3r-5)(3r-5)=0
r=5/3
Using factoring and zero-product property, this is my solution for 9^2-30r+21=-4.
9r^2-30r+21=-4
9r^2-30r+25=0
(3r-5)(3r-5)=0
r=5/3
Answers
Answered by
Steve
looks good to me
There are no AI answers yet. The ability to request AI answers is coming soon!