Factor 15y2 + 10y − 40.

see how it do it in the picture and hope it helps you..

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

6 on both sides and twelve on the top and the bottom

step-by-step explanation: