Question

factorise 49y^2-196x^2

Answer 1

Thanks for asking the question!

49y^2-196x^2

(7y)^2-(14x)^2

(7y-14x)(7y+14x)

Answer 2

HELLO MATE!.....


$given..... \\ \\ 49y {}^{2} - 196x {}^{2} \\ \\ 7 {}^{2} y {}^{2} - 14 {}^{2} x {}^{2} \\ \\ (7y) {}^{2} - (14x) {}^{2} \\ \\ we \: know...(x - y)(x + y) = (x {}^{2} - y {}^{2} ) \\ \\ (7y + 14x)(7y - 14x) \\ \\ hope \: it \: helps \: \: u \: dear.....$