hello.i have to factor this expression.

Question

3y^2-16y-12

i did my work and i got (y-4)(y+1)
is it right?

Answer 1

(3 y + 2)(y - 6)

Answer 2

thank you!

Answer 3

You are welcome.

Answer 4

can you show how u got that answer please???

Answer 5

Sure, fooled around with factors of 12
3 and 4 did not work, 1 and 12 did not work, so tried 6 and 2

Answer 6

I wrote

(3 y - ) (y + )
and tried factors
soon saw needed
(3 y + ) (y - )

then fooled with 3 and 4 and then 6 and 2 until it worked

Answer 7

i messed up on my math . i used -12 and 3. now i know why i messed up. thank you again.:)

Answer 8

No problem :)