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3;13;9;13
9*8^4-(27*8^3)+32*8^2+8*12-16 = 0
e^((2*x)^2)
7;20;9;20
9*8^4-(27*8^3)+32*8^2+8*12-16 = 0
| 6u+21=51 | | A+3a=1a+3a | | 4ex=28 | | 2x^2-8x=5 | | x^3+15=-12 | | 12a^3+16a+4= | | 3(3X+1)=4(X+3) | | 4x^2+1=65 | | tan^2x=1/343 | | logx^7=3 | | 2u=25.6 | | 3x^2-15x=-12 | | 20.48=8v | | 7x^2+57x+56=0 | | 7-5X+10+X=17-4X | | 190x+0y=100(x+y) | | 2b^2+6b-20=0 | | 5x-4-4x=1/2(2x-4) | | 20=4x/5-4 | | 6(x+2)=2(3x+6) | | 10x=12x-2.7 | | 10x-7=6x-33 | | 13=1/3y | | 4x^12y/16x^3y^7 | | 3n+2n-6=91.50 | | g*g+9g+18=0 | | 3/5-4/7 | | 4x=1/2=9/2 | | 6x+85=13x-13 | | 51/42 | | X+6y=88 | | a=3.14(196) |