Question

factorize the following expression
25 a² minus 36b²​

Answer 1

Answer:

So we have 25a²-36b²

Now, 25a²=(5a) ² and 36b²=(6b) ².

We know x²-y²=(x+y) (x-y)

So, 25a²-36b²=(5a+6b) (5a-6b)