(x^2-6x)-5(x^2-6x)=14
-4(x^2-6x)=14
-4x^2+24x-14=0 /-2
2x^2-12x+7=0
delta=144-4*2*7=88
V88=2V22
x1=(12-2V22)/4=3-1/2V22
x2=(12+2V22)/4=3+1/2V22
(x²-6x)-5(x²-6x)=14
(1-5)(x²-6x)=14
-4(x²-6x)=14
-4x²+24x-14=0
-2x²+12x-7=0
a=-2
b=12
c=-7
Δ=b²-4ac
Δ=12²-4·(-2)·(-7)=144-56=88
√Δ=2√22
x₁=2√22-12/-4=-0,5√22+3
x₂=-2√22-12/-4=0,5√22+3
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(x^2-6x)-5(x^2-6x)=14
-4(x^2-6x)=14
-4x^2+24x-14=0 /-2
2x^2-12x+7=0
delta=144-4*2*7=88
V88=2V22
x1=(12-2V22)/4=3-1/2V22
x2=(12+2V22)/4=3+1/2V22
(x²-6x)-5(x²-6x)=14
(1-5)(x²-6x)=14
-4(x²-6x)=14
-4x²+24x-14=0
-2x²+12x-7=0
a=-2
b=12
c=-7
Δ=b²-4ac
Δ=12²-4·(-2)·(-7)=144-56=88
√Δ=2√22
x₁=2√22-12/-4=-0,5√22+3
x₂=-2√22-12/-4=0,5√22+3