Question

solve the following using idetity ( 7x - 4y) ²​

Answer 1

Step-by-step explanation:

Using Identity ( a - b ) ^2 = a^2 - 2ab + b^2 :

= ( 7x )^2 - 2 × ( 7x ) × ( 4y ) + ( 4y )^2

= 49x^2 - 56xy + 16y^2

hope this helps...