how to solve. r²=(r-3)²+4
Answers
Answered by
0
Answer:
r²=6r+4
Step-by-step explanation:
Answered by
0
Answer:
13/6
Step-by-step explanation:
on the right, expand (r-3)²+4 into
(r-3)(r-3)+4
on the left expand r² to
r*r
distribute
r² =r(r-3)-3(r-3)+4
Similar questions