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Mathematics 23 Online
OpenStudy (anonymous):

i need help in a problem. was wondering if i can get help? ill give a medal

rvc (rvc):

plz say

rvc (rvc):

@PeytonPerez372

OpenStudy (anonymous):

ok let me find it sorry

OpenStudy (mathmale):

Please post the question right up front. Once others have seen your question, they can decide whether or not they want to respond.

OpenStudy (anonymous):

\[x ^{2} -10x +24\]

OpenStudy (mathmale):

thanks, and what are the instructions for this problem?

OpenStudy (anonymous):

i need to factor it

OpenStudy (mathmale):

Since the coefficient of the x^2 term is just 1, look at the 3rd (the constant) term, 24. What are factors of 24? More specifically, what are negative factors of 24? Which two negative factors of 24 combine to produce your middle term, -10x?

OpenStudy (anonymous):

it would be 2??? so (x+2)(x-2)?? like that

rvc (rvc):

is -6 and -4 correct factors @PeytonPerez372

rvc (rvc):

i know let him ans

rvc (rvc):

say fast

OpenStudy (anonymous):

yes they are. ??

OpenStudy (mathmale):

Try to take a more systematic approach. While 2 and -2 are factors of 24, 2 and -2 do NOT combine to produce -10x, so 2 and -2 cannot be correct.

OpenStudy (anonymous):

ohhh ok

rvc (rvc):

then is my ans correct @PeytonPerez372

OpenStudy (mathmale):

@rvc: the goal here is to help Peyton Perez arrive at the correct answer herself, not to check your answer. Please guide her towards finding solutions herself.

OpenStudy (anonymous):

so it would be (x+-6) (x+-4)... i am a guy....:0

rvc (rvc):

ok sir

rvc (rvc):

o +(-6)?

rvc (rvc):

u r close

OpenStudy (mathmale):

PP: Please don't mix those + and - signs. You'll need to decide which is correct, + or -, and use only the correct sign.

rvc (rvc):

@PeytonPerez372

OpenStudy (anonymous):

ohh ok so rvc which one would it be

rvc (rvc):

plz try we r there 4 u @PeytonPerez372

OpenStudy (mathmale):

May I turn that question around and ask you, Peyton Perez, why you thought it necessary to use +-? You were to find two factors of 24 that combine to produce -10x. Which negative factors of 24 do that?

OpenStudy (anonymous):

i just need to find a quick answer honestly

OpenStudy (mathmale):

I understand, but once y ou learn how to do these problems correctly, you'll be able to do them a lot faster as well. The two negative factors of 24 that combine to -10 are -6 and -4. Thus, one factor of the given expression is (x-6) and the other is ???

rvc (rvc):

i m correct just substitute i'll check u write

rvc (rvc):

@Peytonperez372

OpenStudy (whpalmer4):

@PeytonPerez372 You say you just need a quick answer. You're going to need to factor a lot of trinomials before you're done. Learning how to factor them properly will allow you to look at the trinomial and immediately write down the answer in much less time than it takes you to post a question here on OpenStudy, possibly even less time than it takes you just to type the trinomial.

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