Question

How do you factor `x^2 y^2 + ay^2 + ab + bx^2`?

Answer 1

`color(magenta)(=(x^2+a)(y^2+b)`

Explanation:

`x^2y^2+ay^2+ab+bx^2`

By grouping the terms:

`=y^2(x^2+a)+b(a+x^2)`

`color(magenta)(=(x^2+a)(y^2+b)`

~Hope this helps! :)