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OpenStudy (anonymous):
Algebra 1 - Simplifying Expressions (will award and fan asap)
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OpenStudy (anonymous):
4ab + 7ba - 5 -3ba + 9 -2ab
OpenStudy (hysusonic):
do you know how to combine like terms?
OpenStudy (anonymous):
Yes. So I do that first? But ab and ba aren't like terms, right?
OpenStudy (hysusonic):
i'm not 100% sure but i think the teacher put that to confuse you bc multiplication is multiplication no matter the order
OpenStudy (anonymous):
Oh.. well I kinda gotta know for sure
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OpenStudy (anonymous):
@satellite73
jimthompson5910 (jim_thompson5910):
like hysusonic is saying, ab = ba since you can multiply two numbers in any order
jimthompson5910 (jim_thompson5910):
so -3ba is the same as -3ab
OpenStudy (anonymous):
Oh ok! Thanks!
OpenStudy (anonymous):
So can you draw out the steps so I can see how you simplify it?
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OpenStudy (anonymous):
I'm a visual learner
jimthompson5910 (jim_thompson5910):
7ba would be equal to ???
OpenStudy (anonymous):
huh? what are you asking? 7ab?
jimthompson5910 (jim_thompson5910):
yes 7ab
jimthompson5910 (jim_thompson5910):
so
`4ab + 7ba - 5 -3ba + 9 -2ab`
is the same as
`4ab + 7ab - 5 -3ab + 9 -2ab`
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jimthompson5910 (jim_thompson5910):
|dw:1446948863848:dw|
OpenStudy (anonymous):
omg thats so helpful
jimthompson5910 (jim_thompson5910):
|dw:1446948872061:dw|
OpenStudy (anonymous):
so in total 6ab?
jimthompson5910 (jim_thompson5910):
|dw:1446948899099:dw|
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