Question

-5a2;a=-2

Answer 1

First, make it something like \(-5(-2)^2\).
You first do the exponents, so find \(-2^2\) first, then multiply it to -5.

Answer 2

then what?

Answer 3

What is \((-2)^2\)?

Answer 4

\[\sqrt{b2-4ac};b=3,a=-1,c=-2\]

Answer 5

Can you please post that as a new question? I'd love to help you with that.

Answer 6

you never know..it might be the same question