SOLUTION: y=x^2-4 5x+y=20 solve by the following system of substitution

SOLUTION: y=x^2-4 5x+y=20 solve by the following system of substitution

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Question 955009: y=x^2-4
5x+y=20
solve by the following system of substitution
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Two solutions:

Then,

and

Then,

So the two solutions are (-8,60) and (3,5)
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