The difference of squares (integers) — task. Mathematics CBSE, Class 7.

UPSKILL MATH PLUS

Learn Mathematics through our AI based learning portal with the support of our Academic Experts!

Factor the following expression:

{(x + 21 y)}^{2} - {(21 x + y)}^{2}

Choose the correct answer:

Did you find an error?

20. The difference of squares (integers)