SOLUTION: Solve each system by substitution method 1) y=x^2+6x+9 2) x+y=3
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Question 750193
:
Solve each system by substitution method
1) y=x^2+6x+9
2) x+y=3
Answer by
tommyt3rd(5050)
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y=3-x
y=x^2+6x+9
3-x=x^2+6x+9
x^2+7x+6=0
(x+6)(x+1)=0
x=-1 or x=-6