Q: What the answer to 4x2 plus 12 plus 9 equals 0?

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There are four solutions to 9x4 plus 27x3 - 4x2 - 12x equals 0. One of the solutions is x = -3.

4x2+50x = 0 4x(x+12.5) = 0 x = 0 or x = -12.5

x2-5-4x2+3x = 0 -3x2+3x-5 = 0 or as 3x2-3x+5 = 0

4x2 = -12x, divide both sides by 4x: x = -3

Assuming that 4x2+2x = 0: 2x (2x+1) = 0 2x = 0 or 2x+1 = 0 x = 0 or -1/2

(2x + 3)(2x + 3)

dont know sorry

-((4x + 1)(x - 1))

1/2 , 3/2

4x2 - 2x = 0

sure it does... that would be true

4x2 - 13 x + 3 = 0 (4x - 1)(x - 3) = 0 x = 3, 1/4