Question

Разложите на множители:
1) 36x^4y^2-169
2) (x+y)^2-(x-1)^2

Answer 1

$1)36 x^{4} y^{2} -169=(6 x^{2} y-13)(6 x^{2} y+13) \\ 2)(x+y) ^{2} -(x-1) ^{2} =(x+y-x+1)(x+y+x-1)= \\ =(y+1)(2x+y-1)$