Help please ! ill give brainliest if correct

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  a) (-5±√10)/3 ≈ {-2.721, -0.613}

  b) (6±√21)/5 ≈ {0.283, 2.117}

Step-by-step explanation:

a) The relevant coefficients are ...

  a = 3, b = 10, c = 5

__

b) The relevant coefficients are ...

  a = 5, b = -12, c = 3

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