Question

25a²-60ab-1+36b² please answer this question fast it's important

Answer 1

25 = 5^2
36 = 6^2
60 = 2*5*6
Therefore,
(5a)^2 - (2*5*6)ab+(6b)^2 -1 
This is in the form of (a-b)^2
(5a-6b)^2-1

Answer 2

@
25a²-60ab-1+36b²
(5a)²+(6b)²-2(5a)(6b)-1
(5a-6b)²-(1)²
(5a-6b+1)(5a-6b-1)
@:-)