Question

Simplify the following:
(7a-6b+5c)^2 + ( 7a+6b-5c)
​

Answer 1

Answer:

Step-by-step explanation:

(7a−6b+5c)  

2

 

⟹(7a)  

2

+(−6b)  

2

+(5c)  

2

+2.(7a)(−6b)+2.(5c)(−6b)+2.(7a)(5c)

⟹49a  

2

+36b  

2

+25c  

2

−84ab−60bc+70ac