Question

1) Add the following algebraic expressions:

a) 3², −4², 9²

b) 2/3, 3/5, 6/5

c) 4² − 7², 12² − 6², -3² + 5²

Please Help Me friends​

Answer 1

Step-by-step explanation:

it is a part plz wait for another ans

Answer 2

Answer:

4^2- 7^2=(4+7)(4-7)=11×(-3)=-33

12^2-6^2=6^2(2^2-1)=36×3=108

5^2-3^2=(5+3)(5-3)=8×2=16

Ans: 33+108+16=157