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x^2-R^2+81;(R+x)^2-225+81
R+x-12;x^2-R^2+81
1/7-(-4/7)
abs(x) = x^2-(5*x)+6;x
x
95.14-(6.25*a)-b;35.3-(50*a)-b
| Ax^2+Bx+c=1 | | -20=6(w-4)-8w | | 30000=x*.25 | | n/6-25=35 | | 4a+5=2+3.254a | | sin(3x-pi/4)=1 | | 8v-1= | | 4(x-3)+6=10 | | 7z-4=13+z+8 | | 3(-x+5)-x=-8 | | 3(u-4)-9=-3(-4u+2)-3u | | dy(2x/y)-2x^2y^2dy/dx | | 1/7-(-4/7) | | 2-(4x-3)=7-(5x+4) | | y=-3x^2-5x+0 | | 6-10x+15=1 | | 45x+20(3-t)=100 | | 11/5=2/3-1/2x | | 4m+5=-12 | | X=0.24x^2-0.85x+1 | | (3n-6)*(5n+2)=0 | | (2z-2)*(z+3)=0 | | SolveEx+Sy=Tforx | | 4(x-1)=8-3-4x | | -21=-3/5w | | 4x+24=8(x+3) | | f(x)=-0.125x+5 | | In(x+4)-Inx=1 | | (0.083x)2= | | 30N-18=6N+8 | | 30N-18=6N+18 | | -(4y-7)= |