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Find the solutions to this system. y= x^2 - 2x - 2 y = 4x +5

Find the solutions to this system. y= x^2 - 2x - 2 y = 4x +5
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2 votes
Find the solutions to this system. y= x^2 - 2x - 2 y = 4x +5

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User Tuncay Elvanagac
by
7.9k points

1 Answer

3 votes
x²-2x-2=4x+5
x²-6x-7=0
(x-7)(x+1)=0
x=7, x=-1
if x=7, y=4*7+5=28+5=33 (7,33)
if x=-1, y=-4+5=1 (-1,1)
answered
User Imjohsep
by
7.8k points
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