Question

factorise 196x²y²-49




please no nonsense answer ​

Answer 1

Answer:

ok

Step-by-step explanation:

ok no nonsense answer

Answer 2

Answer:

Step-by-step explanation:

a²-b² = (a+b)(a-b) ; where a = 2xy and b = 1 .

49(2xy+1) (2xy-1).