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bosskm2000
@bosskm2000
July 2022
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[tex] \frac{1}{2 x^{2} -3x-9}+ \frac{3}{ x^{2} -x-6}= \frac{x}{2 x^{2} +7x+6} [/tex]
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sedinalana
Verified answer
2x²-3x-9=0
D=9+72=81
x1=(3-9)/4=-1,5
x2=(3+9)/4=3
x²-x-6=0
x1+x2=1 U x1*x2=-6
x1=-2 U x2=3
2x²+7x+6=0
D=49-48=1
x1=(-7-1)/4=-2
x2=(-7+1)/4=-1,5
1/(2x+3)(x-3) +3/(x+2)(x-3)=x/(2x+3)(x+2)
ОЗ (2x+3)(x-3)(x+2)≠0⇒x≠-1,5;x≠3;x≠-2
x+2+3(2x+3)=x(x-3)
x²-3x-x-2-6x-9=0
x²-10x-11=0
x1+x2=10 U x1*x2=-11
x1=-1 U x2=11
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Answers & Comments
Verified answer
2x²-3x-9=0D=9+72=81
x1=(3-9)/4=-1,5
x2=(3+9)/4=3
x²-x-6=0
x1+x2=1 U x1*x2=-6
x1=-2 U x2=3
2x²+7x+6=0
D=49-48=1
x1=(-7-1)/4=-2
x2=(-7+1)/4=-1,5
1/(2x+3)(x-3) +3/(x+2)(x-3)=x/(2x+3)(x+2)
ОЗ (2x+3)(x-3)(x+2)≠0⇒x≠-1,5;x≠3;x≠-2
x+2+3(2x+3)=x(x-3)
x²-3x-x-2-6x-9=0
x²-10x-11=0
x1+x2=10 U x1*x2=-11
x1=-1 U x2=11