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OpenStudy (anonymous):
help plz y=x^2+2x y=3x+20
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OpenStudy (faiqraees):
Substitute the second equation into first equation
OpenStudy (anonymous):
the question is solve the system of equations algebraically show all of your steps
OpenStudy (faiqraees):
yeah I know
OpenStudy (faiqraees):
y=x²+2x y = 3x +20 x²+2x = y = 3x+20 x²+2x = 3x+20 Now solve for x
OpenStudy (anonymous):
x=-4
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