Question

factorise
this 25x4-y4 ​fast

Answer 1

(5x^2+y^2)*(5x^2-y^2)

25x^4 is square of 5x^2 and y^4 is square of y^2

we know from property a^2-b^2= (a+b)(a-b)

and that is the property is used to get the above answer

Answer 2

Answer:

Step-by-step explanation:

25x4-y4

(5x5)x(2x2)]-[(y-2x2)]

5²x2²-y-2²

hope it helps...