Question

factorise this 25x4-y4

Answer 1

Step-by-step explanation:

25x^4 - 4y ^4

( 5x) ^2 - (2y)^4

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

hope it helps you

Answer 2

Answer:

25x^4-4y^4

=(5x^2) ^2-(2y^2) ^2

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