factor out a factor with a negative coefficent. -9x+45. -9x+45=?
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OpenStudy (anonymous):
the common factor in all the numbers is 9. So you would factor out -9
-9(x-5)
OpenStudy (anonymous):
understand?
OpenStudy (anonymous):
so the answer would be -9x+45
OpenStudy (anonymous):
I'm not too familiar with factoring
OpenStudy (anonymous):
so when it comes to these im lost
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OpenStudy (anonymous):
no that is the original equation. to factor something out means to take out a common factor in all the numbers. In this case -9*1 = -9 and -9*-5=45 so you would factor out the -9
do you know about distributive property
OpenStudy (anonymous):
kind of vagily yes
OpenStudy (anonymous):
distributive property states that a(b+c) is the same as ab+ac. If you reverse the process, that's called factoring. So you factor out a.
-9x+45, -9 is "a", x is "b", and -5 is "c"
OpenStudy (anonymous):
that would mean -9(x-5) is that same as -9x+45, but -9(x-5) is the factored form of -9x+45
OpenStudy (anonymous):
so the answer is -9(x-5)?
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OpenStudy (anonymous):
?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
sorry was away for a bit
OpenStudy (anonymous):
that's ok will u help me again with the one i have posted?
OpenStudy (anonymous):
sure, where is it?
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OpenStudy (anonymous):
one more minute and I'm going to bump it to the top
OpenStudy (anonymous):
I've got like 26 problems i have to get done before midnight.