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24 August, 01:57

Is x=-3, solution of the equation 2x²+5x+3=0.

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Answers (2)
  1. 24 August, 02:01
    0
    No

    Step-by-step explanation:

    If x = - 3 is a solution to the equation, then the value of the equation should equal zero when x = - 3 is substituted into the left side, that is

    2 ( - 3) ² + 5 ( - 3) + 3

    = 18 - 15 + 3

    = 6 ≠ 0

    Hence x = - 3 is not a solution of the equation
  2. 24 August, 02:23
    0
    The answer is 6 if - 3 is x.
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