Two mark exercise problems VI — task. Mathematics State Board, Class 7.

UPSKILL MATH PLUS

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

Using the identity

$(a + b)(a - b) = a^2 - b^2$ , find the following product.

(i)

$(4 - mn)(mn + 4) =$

(ii)

$(6x + 7y)(6x - 7y) =$

Answer variants:

$16 - m^2n^2$

$36x^2 + 49y^2$

$16 + m^2n^2$

$36x^2 - 49y^2$

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content