Question

hi, can you help me with algebra trinomials?

Answer 1

sure, state your problem :)

Answer 2

how do you do r^2+2r-24=0??

Answer 3

Ah. This is a quadratic equation. Do you have any idea how to solve them?

Answer 4

absolutly no idea..

Answer 5

Hmm, I'm gonna teach you the formula.

Answer 6

okay

Answer 7

Here is the formula.

\(\Large \color{Black}{\Rightarrow x = {-b \pm \sqrt{b^2 - 4ac} \over 2a} }\)

Do you know what a,b and c are?

Answer 8

varibales?

Answer 9

@mathhelp123 the standard equation is \(ax^2 + bx + c = 0\)

Answer 10

Or here, x = r
b = 2
c = -24

Answer 11

Substitute and obtain the answer :D

Answer 12

it seems you forgot a..just saying

Answer 13

Hmm, we don't really need a here.

Answer 14

Don't get in a fight with me lol

Answer 15

for the sake of not getting confused a in this problem is 1 now you can substitute