math
posted by chrissy .
My teacher said we are supossed to solve this using systems of equations:
Let a, b, and c be real numbers such that a7b+8c=4 and 8a+4bc=7. Then a^2b^2+c^2= ?
can someone please help?! i don't know what method to use to solve this or where to start

See answer here:
http://www.jiskha.com/display.cgi?id=1252885572
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