1. x3-4 x2+x+6=0
2. x3- x2-3x+3=0
3. x3-4 x2-8x+8=0
4. x3-2 x2+x-2=0
x3-4 x2-8x+8=0
1. x3-4 x2+x+6=0
2. x3- x2-3x+3=0
3. x3-4 x2-8x+8=0
4. x3-5 x2+17x-13=0
x3-5 x2+17x-13=0
1. x4 -9 x3+22 x2-6x-20=0
2. x4 +9 x3+22 x2-6x+20=0
3. x4 -9 x3-22 x2+6x-20=0
4. x4 -9 x3+22 x2-6x+20=0
x4 -9 x3+22 x2-6x-20=0
1. x4 -5 x2+4=0
2. x4 -9 x3+27 x2-33x+14=0
3. x4 -6 x3+8 x2+2x-1=0
4. x4 -6 x3+4 x2+54x-117=0
x4 -6 x3+8 x2+2x-1=0
1. 3x-y+5=0, x-y+1=0
2. 3x+y+5=0, x+y+1=0
3. 3x-y-5=0, x-y-1=0
4. 3x+y-5=0, x+y-1=0
3x-y+5=0, x-y+1=0
1. 7x2+4xy-y2-6x-8y-5=0
2. 7x2+4xy-2y2-4x-7y-5=0
3. 7x2-4xy-y2-6x-8y-5=0
4. 7x2+4xy+y2+6x+8y+5=0
7x2+4xy-y2-6x-8y-5=0
1. x4 +4=0
2. x4-4=0
3. x2 +2=0
4. x2-2=0
x4 +4=0
1. 2x2+y2=0
2. 2x2-y2=0
3. x2+2y2=0
4. x2-2y2=0
2x2-y2=0
1. 2x±3y=0
2. 2x±5y=0
3. 2x±6y=0
4. 2x±8y=0
2x±3y=0
1. π/3
2. π/5
3. π/2
4. π/7
π/3