SOLUTION: Solve for x and y simultaneously: y-x=-1 y-7=x^2+2x
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Question 1070371
:
Solve for x and y simultaneously:
y-x=-1
y-7=x^2+2x
Answer by
Boreal(15235)
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y-x=-1
y-7=x^2+2x
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y=x-1
x-1-7=x^2+2x
0=x^2+x+8
x=(1/2) (-1+/- sqrt (1-64)=(1/2)(-1+/- i *sqrt(63)). No real solutions.