Question

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3x²+4x +1=0

Answer 1

3x² + 4x + 1 = 0

Δ = 4² - 4(3)(1)
Δ = 16 - 12
Δ = 4

x = $\frac{-4 \pm 2}{6}$
x' = -1
x'' = ⁻¹/₃

Answer 2

X= -B+-V¨¨B²-4ac/2a
X=-4+-V¨¨(4²)-4.3.1/2.3
X=-4+-V¨¨16-12/6
X=-4+-V¨¨4/6
X¹=-4+2/6=-2/6
X²=-4-2/6=-6/6=-1