Question

how to solve (5a-2b) (5a+2b)

Answer 1

Answer:

(5a-2b) (5a+2b)

it is in the form of (a+b) (a-b) =a^2-b^2

so,(5a-2b) (5a+2b) =5a^2-2b^2

I hope it is helpful.....

Answer 2

Answer:

Use the formula (a+b)(a-b)=a^2-b^2

=>25a^2-4b^2