Question 471321
y=x^2-6x
y+x=-4
x=-4-y
y=(-4-y)2-6(-4-y)
y=16+8y+y2+24+6y
y=y2+14y+40
y2+13y+40=0
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-4-x=y=x2-6x
x2-5x+4=0
(x-1)(x-4)=0
x=1 or 4
y=-3 or -8..