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16 February, 17:25

Solve the simultaneous equations.

Y=5x^2 + 4x-19

Y=4x+1

+2
Answers (1)
  1. 16 February, 17:34
    0
    Answer: x1=-2

    x2=2

    Step-by-step explanation:

    5x²+4x-19=4x+1

    5x²+4x-19-4x-1=0

    5x²-20=0

    5x²=20

    x²=20/5

    x²=4

    x1=-√4=-2

    x2=+√4=2
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