Mathematics
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OpenStudy (anonymous):
Let
g(x)=4x
and
h(x)=x−6.
Find
(g−h)(−10).
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OpenStudy (anonymous):
h=g
OpenStudy (confluxepic):
Not really. @katragaddasaichandra
OpenStudy (confluxepic):
\(4x \neq x-6\)
OpenStudy (confluxepic):
@sydneenoelled
You there?
OpenStudy (confluxepic):
\((4x - x-6)(-10)\)
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OpenStudy (confluxepic):
\((4x - (x-6))(-10)\)
OpenStudy (anonymous):
yes, im here. I wrote a whole message and did the work but it didn't send
OpenStudy (anonymous):
(g-h)(-10)
= g(-10)-h(-10)
OpenStudy (anonymous):
I feel like im missing x
OpenStudy (confluxepic):
\((4x(-10))-((x-6)-10)\)
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OpenStudy (confluxepic):
Do them one at a time.
OpenStudy (anonymous):
-40-1+6-10
I am distributing -1 to x-6 right?
OpenStudy (anonymous):
-41x+16
OpenStudy (confluxepic):
No.
OpenStudy (anonymous):
-41x-4
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OpenStudy (confluxepic):
\((4x(-10))=?\)
OpenStudy (anonymous):
4x(-10) = -40
OpenStudy (confluxepic):
Distributing that would be \(\ -40x\).
OpenStudy (anonymous):
yes -40x and then -(x-6) is -1+6
OpenStudy (anonymous):
-x+6
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OpenStudy (confluxepic):
\((x-6)(-10)\)
OpenStudy (anonymous):
-10x+60
OpenStudy (anonymous):
-40x-10x+60
OpenStudy (anonymous):
-50x+60?
OpenStudy (confluxepic):
No. It would be -40x(-)-10x+60.
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OpenStudy (confluxepic):
-40x+10x+60
OpenStudy (anonymous):
-30x+60
the signs always get me
OpenStudy (confluxepic):
Yes.
OpenStudy (confluxepic):
That's the simplified version.
OpenStudy (anonymous):
it says that is not the answer. answer is -24
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OpenStudy (confluxepic):
That can never be the answer.
OpenStudy (confluxepic):
-24 is absolutely wrong.
OpenStudy (confluxepic):
Tell your teacher about it. There may have been a mistake in the problem.
OpenStudy (anonymous):
its an online homework. it doesn't tell me how to do it or show me how I did it wrong. just shows me correct answer.