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((cos(x))^4)/4
2*x^3+x^2
sin(x)*cos(2*x)
sin(x)*cos(x^2)
155;2
| X-7x+6=30 | | 0=x+4-9x | | 2.6=-5.2(3.4+x) | | 0.1x=1.4 | | 34=-0.4(x+22) | | -0.26=logx | | -4(-5-b)= | | 3(x-9)=6(x+3) | | sinx=-0.95 | | 10x+15x-8+3=-2x+3-8 | | 7p-8=-3p+6 | | 2=4y-2y-6 | | 6e-15=15 | | x+37=3x+9 | | (x-8)+23-4=36 | | 42=28-3c | | 5k+26=1 | | -3e^1-x=11 | | (-r^2)+4(-r)-4=-8 | | 6-c=3 | | 7/8x-1/3y=3 | | 7x-6.4-0.1x+3.7x-1= | | q^2-8q+20=0 | | q^2-81+20=0 | | X-4x=-6-3 | | X^2-x+5=41 | | X^2-x+5=3 | | sn=n^2 | | -30.07/-0.02 | | x^2+2xy+y^2-y= | | x^2+2xy+y^2-y=0 | | 6x^2+9=12 |