Mathematics
19 Online
OpenStudy (anonymous):
√(2x+8 )-6=4
Join the QuestionCove community and study together with friends!
Sign Up
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.
Join the QuestionCove community and study together with friends!
Sign Up
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
Join the QuestionCove community and study together with friends!
Sign Up
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?
Join the QuestionCove community and study together with friends!
Sign Up
hartnn (hartnn):
subtract 8 from both sides
hartnn (hartnn):
you mean isolate ?
OpenStudy (anonymous):
2x=92
hartnn (hartnn):
yes
so x=..?
OpenStudy (anonymous):
46
Join the QuestionCove community and study together with friends!
Sign Up
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 ^_^
Join the QuestionCove community and study together with friends!
Sign Up
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