When solving equations by factoring, one side of the equation must be 0. explain why this is so.

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

idk

step-by-step explanation:

sometimes it can be so they can fit in with a certain group, and others are just like that because of their personality.