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Mathematics 19 Online
OpenStudy (anonymous):

√(2x+8 )-6=4

hartnn (hartnn):

add 6 to both sides first

hartnn (hartnn):

then you can square both sides

OpenStudy (austinl):

\(\sqrt{2x+8}-6=4\) I assume that is what it is?

OpenStudy (solomonzelman):

add 6 to both sides and square both sides.

OpenStudy (solomonzelman):

yeah, hartnn, sorry, you already said that.

OpenStudy (anonymous):

which side

hartnn (hartnn):

both sides!

OpenStudy (anonymous):

2x+14=4?

hartnn (hartnn):

\(\sqrt{2x+8}-6=4 \\ \sqrt{2x+8}-6+6=4+6 \\\sqrt{2x+8}=10\) now square both sides, what u get ?

OpenStudy (anonymous):

can you show me how to. im so lost bro

hartnn (hartnn):

you're lost to squaring both sides ?

hartnn (hartnn):

\(\sqrt{2x+8}=10 \\ 2x+8 = 10^2 \)

OpenStudy (anonymous):

2x+8=100

OpenStudy (solomonzelman):

Yes

OpenStudy (solomonzelman):

Do you have an idea of how to eliminate the x?

hartnn (hartnn):

subtract 8 from both sides

hartnn (hartnn):

you mean isolate ?

OpenStudy (anonymous):

2x=92

hartnn (hartnn):

yes so x=..?

OpenStudy (anonymous):

46

hartnn (hartnn):

yep

OpenStudy (anonymous):

thats the answer?

hartnn (hartnn):

yes.

OpenStudy (anonymous):

oh wow. it looks funny lol. But thanks goku. go chill in the hyperbolic chamber

hartnn (hartnn):

lol welcome ^_^

OpenStudy (anonymous):

@hartnn hey could you help with a couple more problems

hartnn (hartnn):

ask new questions in new post so that if i can't help, many others can help :)

OpenStudy (anonymous):

ok

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