gleichung_ungleichung

151 days ago by roostb

solve([x^2+3*x+2==0],x) 
        
[x == -2, x == -1]
[x == -2, x == -1]
x,c=var('x,c') solve([x^2+3*x+c==2],x) 
        
[x == -1/2*sqrt(-4*c + 17) - 3/2, x == 1/2*sqrt(-4*c + 17) - 3/2]
[x == -1/2*sqrt(-4*c + 17) - 3/2, x == 1/2*sqrt(-4*c + 17) - 3/2]
solve([3*x+8>=-6],x) 
        
[[x >= (-14/3)]]
[[x >= (-14/3)]]
solve([5*x+8<6-x],x) 
        
[[x < (-1/3)]]
[[x < (-1/3)]]
solve([12-7*x==-23],x) 
        
[x == 5]
[x == 5]
solve([6*x+(1-7*x)==9-(5*x+5)],x) 
        
[x == (3/4)]
[x == (3/4)]
solve([(2*x-3)^2-(x-5)^2-3*x*(x-7)+17==0],x) 
        
[x == (-1/19)]
[x == (-1/19)]
solve([4+x>=2*x+1],x) 
        
[[x <= 3]]
[[x <= 3]]
solve([x^2<=5*x],x) 
        
[[x >= 0, x <= 5]]
[[x >= 0, x <= 5]]
solve([(3+2*x)/4>-2],x) 
        
[[x > (-11/2)]]
[[x > (-11/2)]]
solve([2/(x-1)==1/(x-2)],x) 
        
[x == 3]
[x == 3]
solve([(5*x-1)/(2*x+1)==(7*x)/(2*x+1)],x) 
        
[]
[]
solve([x/(x+1)>0],x) 
        
[[x < -1], [x > 0]]
[[x < -1], [x > 0]]
solve([(x-4)/(x-2)>=0],x) 
        
[[x < 2], [x >= 4]]
[[x < 2], [x >= 4]]