Question

Show that (3+7)2−84=(3−7)2

Answer 1

Explanation:

(3+7)²−84=(3−7)² =

10²-84=-4²

100-84=16

16=16

Answer 2

solution LHS ;

`{(3 + 7)}^(2) - 84 \\ (10)^(2) - 84 \\ 100 - 84 \\ = 16`

Solution RHS ;

`{(3 - 7)}^(2) \\ ( - 4)^(2) \\ = 16`

I hope I helped you^_^