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Find conman solution algebraically and express itrrational roots in simplest radical form. x^2+y^2=24 x+y=8

Mathematics
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where are you stuck ?
I dont know anything at all to be honest.
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Other answers:

You could start with thes second equation and find an expression for x= (or y= if you choose) and then substitute that into the first equation.
I dont get anything =/ second all Just go to shift x to other side right and makes t y=x-8
y=8-x
x^2+(8-x)^2=24
x^2+64-16x+x^2=24
2x^2-16x+40=0
x^2-8x+20=0
so y cnt be x-8 but has to 8-x?
yes..
(x-10)(x+2)=0 x=10 x=-2
so those will be the solutions right?
find b's also..
I meant y
because these eq. are two variable..
could you just guide me through like what to do?
choose one of the eq. it does not matter which one, x+y=8 is easier one than put for x=10 find y for x=-2 find y
thank you!
hold on I made a mistake..
until this it is true, but I made a mistake when I factored it out.. x^2-8x+20=0
ax^2+bx+c=0 d=b^2-4ac d=8^2-4*1*20=-16<0 no real solution..
it means that they are not crossing each other..
sorry about that..
root are complex number..
its okay thanks for your time, really appreciate all this walk through.
http://www.wolframalpha.com/input/?i=solve+x^2%2By^2%3D24%2Cx%2By%3D8
you can see it here
yes thank you!
np

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