Mathematics
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OpenStudy (anonymous):
Factor by grouping
x^2+10x+25
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OpenStudy (anonymous):
(x+5) (x+5)
OpenStudy (luigi0210):
Stop giving away answers..
OpenStudy (anonymous):
can you show me step by step how you got that answer by using factoring by grouping so i can understand it
OpenStudy (anonymous):
Ye i know what the answer is just want to know how to get it.
OpenStudy (anonymous):
find constants that add up to 10, and multiply to 25.
(factors of 25)
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OpenStudy (anonymous):
Oh. I don't know how to factor by grouping..
OpenStudy (anonymous):
ohh k how do you do the special product of the same function?
OpenStudy (luigi0210):
By grouping you say? That's interesting.
OpenStudy (anonymous):
yes by grouping
OpenStudy (luigi0210):
But I see what you mean. I can show you if you want?
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OpenStudy (anonymous):
yeah kind of the wrong technique but it can be done
OpenStudy (anonymous):
yes please
OpenStudy (luigi0210):
First what you have to do is break that 10x apart to 5x+5x
OpenStudy (anonymous):
no, ehuman meant that my Technic was wrong, b/c what if the coefficient(s) are more or less than 1?
OpenStudy (anonymous):
okay
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OpenStudy (anonymous):
so its x^2+5x+5x+25?
OpenStudy (anonymous):
basically. you are correct!
OpenStudy (anonymous):
then what
OpenStudy (luigi0210):
Now just factor by grouping :)
OpenStudy (anonymous):
how?
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OpenStudy (luigi0210):
|dw:1383244477091:dw|
Do you understand what I did?