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Mathematics 15 Online
OpenStudy (anonymous):

so complicated. help. the answer doesn't match the answer :(

OpenStudy (anonymous):

is it supposed to be an A? Because when I solve it I got positive but A is the only option or is there further simplification?

OpenStudy (anonymous):

@ganeshie8 help?

OpenStudy (anonymous):

@TheDream a lit help?

Directrix (directrix):

Option A is not the answer.

Directrix (directrix):

>> Because when I solve it I got positive What are you saying about something being positive?

OpenStudy (anonymous):

here's my work @\[\left\{ \frac{ 12x+30 }{ \left( 2x+5 \right)\left( 4x+3 \right) } \right\}\]

OpenStudy (anonymous):

oh

Directrix (directrix):

That looks more like an answer than work.

OpenStudy (anonymous):

yep i see my mistake now I just need to simplify (2x+5)

OpenStudy (dtan5457):

If you got A, then your factoring of 8x^2+26x+15 is wrong

OpenStudy (anonymous):

huh?

Directrix (directrix):

The numerator 12x + 30 has a common factor. Take it out and something pleasant may happen.

OpenStudy (anonymous):

isn't B?

OpenStudy (dtan5457):

Yeah, it is. I hope you know why

OpenStudy (anonymous):

I said it right?

OpenStudy (anonymous):

i factor out 12x+30 and that was cancelled by the denominator

OpenStudy (anonymous):

i just didn't show all my works becuz itz gonnna take too long to type :/

Directrix (directrix):

>>i factor out 12x+30 and that was cancelled by the denominator By "that," you mean what? I'm just trying to follow what you are saying.

OpenStudy (anonymous):

sorry I know how to solve it now but I just don't have to to do the equation Hope you understand what I meant by i factor out 12x+30 and that was cancelled by the denominator if you look at my equation stated above THnaks for the help

Directrix (directrix):

>> i factor out 12x+30 This means 6*( 2x + 5), I hope.

OpenStudy (anonymous):

yes sir

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