SOLUTION: Solve the following
y+3 = 2x
x^2 +2xy = -1
Can you please help me out? Thank you
Algebra.Com
Question 808176: Solve the following
y+3 = 2x
x^2 +2xy = -1
Can you please help me out? Thank you
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
y+3 = 2x
y=2x-3
x^2 +2xy = -1
x^2+2xy+1=0
(x+y)^2=0
substitute y
(x+2x-3)^2=0
(3x-3)^2=0
9(x-1)^2=0
(x-1)^2=0
x-1=0
x=1
y+3=2x
x=1
y+3=2
y=-1
x=1,y=-1
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