Question

Any help would be greatly appreciated

Answer 1

`\boxed{\sf \ \ \ 49a^8b^6c^2 \ \ \ }`

Explanation:

Hello,

`(-7a^4b^3c)^2=(-1)^27^2a^(4*2)b^(3*2)c^2=49a^8b^6c^2`

as

`(-1)^2=1`