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4 May, 06:06

Solve the following system of equations

Y=5x+4

Y=x2+3x-4

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Answers (1)
  1. 4 May, 10:04
    0
    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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