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3-x^2 > 0;x
x
175;9.3
x-(4/3) < 4;x
x
3;10;3;10;4;2
0.454;78
| x^3+6.5x^2+20x-72.5=0 | | cos(52)=19/x | | x^(1/2)-3=8 | | f(2n+1)=f(n)+f(n+1) | | 21+3h=3(h+7) | | (x)^1/2-3=8 | | 80x-4+3x=7x+x+14 | | 10x+12=7x-30 | | -X/2=-14 | | 9(x+5)=3(x-39) | | X*3y=170 | | ln*x-ln*(x+2)=ln*3 | | 35x+50=132.7 | | Sinx=24/27 | | Cosx-1=15/12 | | 46-6x=90 | | 18+15x=23 | | 21/2(8) | | 10x=180-10z | | (4c-3)(6c+7)= | | x/3=2/4 | | 2.4n+10=29.2 | | 35x+50=90 | | 0=x^2-22x-7 | | (x+1)(2x+3)=(x-1)(2x+1) | | 6sinh(2x)+7=8cosh(2x) | | (x+1)(2x+3)=(x-1)(2x-1) | | qd=150+50p | | 4u-15=21 | | X+25=3.5 | | n/9=12 | | 4xy-6y^2=18 |