Asked by HI
hello.i have to factor this expression.
3y^2-16y-12
i did my work and i got (y-4)(y+1)
is it right?
3y^2-16y-12
i did my work and i got (y-4)(y+1)
is it right?
Answers
Answered by
Damon
(3 y + 2)(y - 6)
Answered by
HI
thank you!
Answered by
Damon
You are welcome.
Answered by
HI
can you show how u got that answer please???
Answered by
Damon
Sure, fooled around with factors of 12
3 and 4 did not work, 1 and 12 did not work, so tried 6 and 2
3 and 4 did not work, 1 and 12 did not work, so tried 6 and 2
Answered by
Damon
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
(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
Answered by
HI
i messed up on my math . i used -12 and 3. now i know why i messed up. thank you again.:)
Answered by
Damon
No problem :)