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20*x^3+22*x^2+0*x-3 = 0;x
x
0.391;1.7
5*ln(x)+3*x^4+4/(x^2)
20*x^3+22*x^2+0*x-3 = 0;x
x
1*x^3+3*x^2+2*x+6 = 0;x
x
| y^2+90+y=180 | | sec(x)=-2.5 | | 3(-3(x-x)-4x)=9x+21 | | 12x+20y=296 | | (x+2)(2-x)-7(4-3x)=-(x-4)*2 | | 6x=5x-48 | | -8x+14=-10x+18 | | 5x*2=2x*2-31 | | 3x*2=-31 | | y=integral(exp(-0.5*x^2)) | | 6x^2-6x=9 | | 3(4x+2)-4=65+3x | | 30x^2-144x+90=0 | | =x^3-3x^2-24x | | 6-3x=42 | | 3x-y-2z=3 | | 5x+4p=340 | | z=5+2x | | (3m-1)2=0 | | 11.50+t=121.75 | | 10sin^2(x)+2sin(x)-5=0 | | 0.2z=2.75 | | A=11-b | | 20r-200=10r+200 | | 2x+20=.5x+16 | | 6t+7=7t | | 6x+12=4x+36 | | -90+6x=-12x-18 | | -4.5+(-3.2)= | | 4x+50=10x-10 | | 0.5+0.75y=-4 | | -26h-8h=102 |