Question

factorise 35^2- 25^2

Answer 1

(35²) -(25)²


By the formula a²-b²


(35-25)(35+25)

10*60

=600

Answer 2

(7^2)^2-(5^2)^2
(7^2-5^2)(7^2+5^2)
(7-2)(7^2+5^2)