calvinglass4 calvinglass4

18-12-2019
Mathematics

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Solve the following system of equations

Y=5x+4
Y=x2+3x-4

Respuesta :

Stefanisaska Stefanisaska

19-12-2019

Answer: the following system of equations has 2 solutions

x1=4

X2=-2

Step-by-step explanation:

5*x+4=x²+3*x-4

x²-2*x-8=0

x12=(2+/-√4+4*1*8)/2

x12=(2+/-√36)/2

x1=(2+6)/2=4

x2=(2-6)/2=-2

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