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2 April, 02:34

Sienna is solving the quadratic equation by completing the square.

3x2 9x - 4 = 0

3x2 9x = 4

a (x2 3x) = 4

what is the value of a?

-4

-3

3

4

+2
Answers (1)
  1. 2 April, 02:37
    +1
    3x^2 + 9x - 4

    3x^2 + 9x = 4

    3 (x^2 + 3x) = 4

    Therefore, a = 3
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