Question

find the value of expression a2+2ab^2-2b^2 where a=3, b=2​

Answer 1

Answer:

= a² - 2ab + b²

= (a-b)²

a=2

b=-1

By substituting,

= [2-(-1)]²

= (2+1)²

= 3²

= 9

Hope this helps.

Answer 2

I hope it will help you.

Thanks for asking the question.