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2*x*cos(x)+(x^2-2)*sin(x)
2*t*cos(t)+(t^2-2)*sin(t)
2*cos(x)-(x*sin(x))
sin(x)+x*cos(x)
0.45*cos(2*x)
| 4x^2-10x-7=0 | | 2(7+w)+2w=92 | | 8.124=6.5+0.5p | | x+103=83+x | | 2(x+-1)-7x=18-5(x+4) | | 10x+24-v=180 | | y1-0=5/3(x-(-6)) | | -3(x+5)=-7x+21 | | p=-0.01x^2-0.2x+8 | | 6x-7=kforX | | 2=46/w | | 11.5=.5(9.8)t | | 2.5=.5(9.8)t | | x+40=2x-15 | | x+143=x+43 | | 21=4*2 | | 500=2(x+40)+2x | | -5(2/5)^2 | | 5x-3y=-35 | | f(x)=-xsquared+14x-11 | | -5+2w=-3w-7 | | 3x+6X=80 | | 5s(6s-5)=0 | | 7=.5(9.8)t | | 4c-2=10-2c | | sqrt(15+2x)=-x | | 2=.5(9.8)t | | 20-2P=-4+4P | | 17x+36=14x+72 | | 5f-3+6f=10f+4 | | 3(x-2)=(x+5)-2 | | 16=2y+4x |