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2*cos(180/3) = 0
2*cos(60) = 0
L <> R
| 141=120-4x+x^2 | | w-20=11 | | -x+32=3x+8 | | X^2+4x-60=2 | | 8z^2-512=0 | | 2x^2+10x+1=a^5 | | -x-2=3x+10 | | 180=3x-8+x | | 9=f+2 | | 3x+5=15x-13 | | -44=12x | | 7x+40=3x+20 | | F(x)=4x^2+8x-12 | | x+y=1100 | | 2x-0=3x-1 | | 180=4x-40+x+50 | | x+34=4x+16 | | (5w)(7w^5z)(0)= | | n(3-5)= | | ln(x^2)=7 | | 5(3+n)= | | 0=-2x^2-2x-12 | | 4*cos*2*x-cos*x=0 | | 2n^2=-8n-3 | | 4(2x-5)=6x+3 | | (-48)/3= | | f(x)=3x^2-24x+12 | | -8n(4n-7)=0 | | 4x^4+16x^3+13x^2+4x+3=0 | | 4(t-3)+20=5 | | 0=x^2+13x-42 | | 0=9(k-40)+33 |