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29 November, 23:14

Use the following coefficients of a quadratic equation:

a=2

b=4

c=-6

What are the solutions to the quadratic equation?

+4
Answers (1)
  1. 29 November, 23:40
    0
    Hello:

    the quadratic equation is : 2x²+4x-6 = 0

    delta = b²-4ac

    delta = 4²-4 (2) (-6) = 64 = 8²

    x = (-4 + √64) / 4 = (-4+8) / 4 = 1

    or x = (-4-√64) / 4 = (-4-8) / 4 = - 3
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