Rozwiąż równanie:
Obliczam Deltę:
Δ = 36 + 4*3*7 = 36 + 84 = 120
√Δ = 2√30
x1= (-6+2√30)/6 = (√30-3)/3
x2= (-6-2√30)/6 = (-√30-3)/3
x∈ ( -∞, [-√30-3]/3) ∨ ([√30-3]/3; ∞)
a=3 b=6 c=-7
delta = b^2 - 4*a*c
de;ta =6^2 - 4*3*-7
delta= 36+84
delta=120
pierw z delty=4pierwz30
x1= -6-4pierwz30|6
x2= -6 + 4pierwz30/6
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Obliczam Deltę:
Δ = 36 + 4*3*7 = 36 + 84 = 120
√Δ = 2√30
x1= (-6+2√30)/6 = (√30-3)/3
x2= (-6-2√30)/6 = (-√30-3)/3
x∈ ( -∞, [-√30-3]/3) ∨ ([√30-3]/3; ∞)
a=3 b=6 c=-7
delta = b^2 - 4*a*c
de;ta =6^2 - 4*3*-7
delta= 36+84
delta=120
pierw z delty=4pierwz30
x1= -6-4pierwz30|6
x2= -6 + 4pierwz30/6