How do you factor $a^{2} (x - y) + 5 (y - x)$ $a^2(x-y) + 5(y-x)$ ?

Question

1759 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-06-05T15:18:53

$(x - y) (a^{2} - 5)$ $(x-y)(a^2-5)$

let's change sign two times:

$a^{2} (x - y) - 5 (x - y)$ $a^2(x-y)-5(x-y)$

so we can find the common factor (x-y):

$(x - y) (a^{2} - 5)$ $(x-y)(a^2-5)$

How do you factor a^2(x-y) + 5(y-x)a2(x−y)+5(y−x)a^2(x-y) + 5(y-x)?