Question

How do i factorise this equation
25x²-p²

Answer 1

You can write it in the form a^2 - b^2 where a = 5x and b = p

(5x)^2 - p^2

And then use the Difference of Squares a^2 - b^2 = (a + b)(a - b)

Answer is (5x + p)(5x - p)