Question

Please help!!!!!!!!!!!

Answer 1

Substituting into the expression, we have:

`$((4c+9d)^2)/(c^2+3d^2$)`

`$([4(3)+9(-2)]^(2))/((3)^(2)+3(-2)^(2))$`

`$([12+-18]^(2))/(9+3(4))`

`$((-6)^(2))/(9+12)$`

`(36)/(21)`.

Simplifying, we get
`(12)/(7)`.

So, 12/7 is our answer.