Respuesta :
multiply
we notice a difference of 2 perfect square
(a-b)(a+b)=a^2-b^2
(6y-11)(6y+11)=(6y)^2-(11)^2=36y^2-121
a=36
b=121
we notice a difference of 2 perfect square
(a-b)(a+b)=a^2-b^2
(6y-11)(6y+11)=(6y)^2-(11)^2=36y^2-121
a=36
b=121