Question

y=3x^2+18x+15

Answer 1

you want this graphed or solved??

Answer 2

http://www.wolframalpha.com/input/?i=y%3d3x%5e2%2b18x%2b15&incTime=true go here and it'll show you the graphed parabula

Answer 3

solved

Answer 4

o ok well go there , and itll show you :)

Answer 5

Ok Thanks:)

Answer 6

np if not ill show you how to do it :D

Answer 7

Why not use the Quadratic Formula?

Answer 8

I know this xD I mean Quadratic formula :)

Answer 9

You can even factorize.

Answer 10

i gave him a link to show him the factorized way under the graph, check it out

Answer 11

@callie2240 cool

Answer 12

@Lemuel14 Try taking 3 common, then factor

Answer 13

\[-b +- \sqrt{b2}-4ac/2a\]

Answer 14

3x^2 + 18x + 15 (factor out the 3)
3(x^2 + 5x + 3)
3(x + 1)(x + 5) = y