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OpenStudy (marigirl):
Simplifying Surds: Can someone help me out with the 4th line denominator.. i have attached a picture
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OpenStudy (marigirl):
OpenStudy (lgbasallote):
so what's the problem?
OpenStudy (marigirl):
i think i got it. the line where i have put a blue arrow
OpenStudy (lgbasallote):
you were asking why it was 4 x 2?
OpenStudy (marigirl):
does it work out to be 1?
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OpenStudy (lgbasallote):
yup
OpenStudy (lgbasallote):
it becomes 9 - 8 = 1
OpenStudy (marigirl):
omggg its a 4 times 2... i was like why is there a 'x' and where did x come from.. it looks like the letter x!!
OpenStudy (marigirl):
hahah thanks!
OpenStudy (lgbasallote):
haha welcome ^_^
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OpenStudy (anonymous):
yeah good work
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