answer to 3y2-2y-8

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answer to 3y2-2y-8

Guest Apr 15, 2014

+118613

+5

Best Answer

you need to find 2 numbers that multiply to -24 (from 3*-8) and add to -2

That would be -6 and +4

$$3y^2-2y-8\\\\
=3y^2-6y+4y-8\\\\
=3y(y-2)+4(y-2)\\\\
=(3y+4)(y-2)\\\\$$

Melody Apr 16, 2014

Melody · Answer 1 · 2014-04-16T06:47:38

you need to find 2 numbers that multiply to -24 (from 3*-8) and add to -2

That would be -6 and +4

$$3y^2-2y-8\\\\
=3y^2-6y+4y-8\\\\
=3y(y-2)+4(y-2)\\\\
=(3y+4)(y-2)\\\\$$

CPhill · Answer 2 · 2014-04-15T08:58:03

answer to 3y2-2y-8

I assume you want to facor this...it's just

(3y + 4) (y - 2 )

That's it !!!