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Mathematics 14 Online
OpenStudy (anonymous):

I need help with this multiplication

OpenStudy (anonymous):

\[(\sqrt{8-x}-2)(\sqrt{8-x}+2)\]

OpenStudy (anonymous):

the square root cancel so you are left with 8-x-4

OpenStudy (anonymous):

4-x

OpenStudy (anonymous):

ok and I have one more

OpenStudy (anonymous):

\[(\sqrt{5-x}-1)(\sqrt{8-x}+2)\]

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

do you see the problem?

OpenStudy (anonymous):

yes give me a second

OpenStudy (anonymous):

\[\sqrt{(8-x)} \sqrt{(5-x)}+2 \sqrt{(5-x)}-\sqrt{(8-x)}-2\] use the foil method

OpenStudy (anonymous):

are you good with limitations

OpenStudy (anonymous):

limits?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Can you help me with this problem please?

OpenStudy (anonymous):

start another question this one is freezing

OpenStudy (anonymous):

ok

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