Question

factorise

(5a - 2b)square - 16b square​

Answer 1

Answer:

Step-by-step explanation:

(5a-2b)^2-16b^2

=(5a-2b+16b)(5a-2b-16b)

=(5a+14b)(5a-18b)

=25a^2-90ab+70ab-252b^2

=25a^2-20ab-252b^2

Hope this is correct and will help you too..