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Mathematics 21 Online
OpenStudy (anonymous):

How do I solve this? Im soooo confused... please help 2x^2 + 7x + 5

OpenStudy (anonymous):

what does it equal?

OpenStudy (cathyangs):

...if that equals 0, just use the quadratic formula.

OpenStudy (cathyangs):

if not, tinker it until it's equal to 0, and then use the quadratic formula. :D

OpenStudy (anonymous):

\[(-b \pm \sqrt{b^2-4ac})/2a\]

OpenStudy (anonymous):

it equals (2x+5)(x+1)

OpenStudy (anonymous):

OH. anyway, that's called factoring.

OpenStudy (anonymous):

Oh your e right... how do I "factor" that?

OpenStudy (anonymous):

(2x+5)(x+1) IS the factored form of 2x^2 + 7x + 5:D

OpenStudy (anonymous):

Ok Im sorry. How do I do that? Sorry confused. Thanks for the help

OpenStudy (anonymous):

It's ok! Here is an explanation of how to factor that problem:D

OpenStudy (anonymous):

Thank you sooo much! Looking now

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