Question

expand each of the following using suitable identities.
1) (x+2y+4z)square
2)(3a-7b-c)square​

Answer 1

Answer:

1) ( x+2y+4z )²

= x²+ 4y² + 16z² + 8xy + 16yz + 8zx

2) ( 3a-7b-c)²

= 9a²+49b²+c²-42ab+14bc-6ac

Hope it will helps you !!!

Mark as brainlist answer …! And follow me …

Answer 2

I solved it by using suitable formula..

Hope it helps you...

Thanks