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5 April, 13:28

How many, and what type of, solutions does 4x² + 12x + 9 = 0 have?

1 rational solution

2 nonreal solutions

2 irrational solutions

2 rational solutions

+4
Answers (1)
  1. 5 April, 16:49
    0
    1 rational solution

    4x² + 12x + 9 = 0

    (2x+3) ²=0

    2x + 3 = 0

    2x + 3 - 3 = 0-3

    2x = - 3

    2x/x = - 3/2

    x = - 3/2
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