Równania kwadratowe
1) 16x²+24√2x=-18
2) -2x-3x²+6=0
3) 2x²+3= -7x
16x²+24√2x+18=0/2
8x²+12√2x+9=0
Δ=b-4*a*c
Δ=(12√2)²-4*8*9=144*2-288=288-288=0
x=-12√2/16=-3√2/4
2)-2x-3x²+6=0
-3x²-2x+6=0
Δ=4-4*6*(-3)=4+72=76
x1=2-√√76/2*(-3)=2-√76/-6
x2=2+√76/-6
3)2x²+7x+3=0
Δ=49-4*2*3=49-24=25
x1=-7-5/4=-12/4=-3
x2=-7+5/4=-2/4=-1/2
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1) 16x²+24√2x=-18
16x²+24√2x+18=0/2
8x²+12√2x+9=0
Δ=b-4*a*c
Δ=(12√2)²-4*8*9=144*2-288=288-288=0
x=-12√2/16=-3√2/4
2)-2x-3x²+6=0
-3x²-2x+6=0
Δ=4-4*6*(-3)=4+72=76
x1=2-√√76/2*(-3)=2-√76/-6
x2=2+√76/-6
3)2x²+7x+3=0
Δ=49-4*2*3=49-24=25
x1=-7-5/4=-12/4=-3
x2=-7+5/4=-2/4=-1/2