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jaanne
31.07.2019 •
Mathematics
Factor completely: 4x2−100 . answer choices 2(x+5)(x−5) 4(x−5)2 4(x−10)2 4(x+5)(x−5)
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Ответ:
you have to divide the first number out of both terms, then you have the answer. hope this helps
Ответ:
Ответ:
Well right off the bat, I can see a good reason why it should boggle.
If (x+y)=6 and (x-y)=2, then (x+y)(x-y) would be 12. It can't be 20.
The first 4 lines on the paper are inconsistent, so the question in the 5th line can't be calculated.
Another possible source of uncertainty (for us, anyway) is the remarkable similarity between the way you write ' Y ' and the way you write ' 4 ' . For example, look at the ' Y⁴ ' (I think ...) in the last line.