Question

factorise the following 49x²-7y²​

Answer 1

Answer:

Thanks for the question.

Step-by-step explanation:

Hey let's start

49x²-16/25

(7x²)-(4/5)²

we know that

(A)²-(B)²=

(A+B)(A-B)

so,

(7x)²-(4/5)²

(7x+4/5)(7x-4/5)

Hope it's helpful for you marks as brilliant answer please :)