Question

Evaluate the expression

Answer 1

-213

Explanation:

Hi there!

`3|x+y|^2-(xy)^2`

Replace x with 3 and y with -5

`= 3|3+(-5)|^2-[(3)(-5)]^2\\= 3|3-5|^2-(-15)^2\\= 3(2)^2-225\\= 3(4)-225\\= 12-225\\= -213`

I hope this helps!