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OpenStudy (marigirl):
Find the values of x and y for which x^2+y^2+2x-3y=3 and 2x^2-y^2+4x+18y=54. Please use algebraic methods
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OpenStudy (marigirl):
I have attached the question
OpenStudy (asnaseer):
or you could first eliminate x by multiplying the first equation by 2 and then subtracting the second equation from it
OpenStudy (asnaseer):
then solve the remaining quadratic in y
OpenStudy (anonymous):
yes thats better
OpenStudy (marigirl):
Thanks guys! it worked :D
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OpenStudy (asnaseer):
yw :)
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