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11 August, 20:28

The Quadratic Formula, x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a, was used to solve the equation 3x2 + 4x - 2 = 0. Fill in the missing denominator of the solution. negative 2 plus or minus the square root of 10, all over blank

A.-4

B. 2

C. 3

D. 6

+3
Answers (1)
  1. 11 August, 22:51
    0
    C. 3

    Step-by-step explanation:

    3x² + 4x - 2 = 0

    [-4 + - sqrt (4² - 4 (3) (-2)) ] / (2*3)

    [-4 + - sqrt (40) ]/6

    [-4 + - 2sqrt (10) ]/6

    Simplifying, we get:

    [-2 + - sqrt (10) ]/3
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