i need your help in one linear and one non linear equations.

faisal

New member
Joined
Feb 20, 2009
Messages
2
1
x + y = 1
(x+1)^ + (y+1)^ = 25


2
3x - 2y =1
(x-2)^ + (2x+3)^ = 26


3
x-5y=8
x^ + 9y^ +3x = 30 + xy



i dont know how to solve but my teacher told me to substitute linear into non-linear.and then put in quadratic . please solve and give me discription how to solve God bless you

^ denotes square
 
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