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1/2*x^4+3/2*x^3-4*x^2-6*x+8;1/2*x+2
x^3-3*x^4-1
1;9;5;6;5;1
2.45;500
-(x+4) = 2*(3-x);x
x
| 12t+4t-12t+3t-5t=16 | | 4(x-4)+8=6x-(2x+5)-3 | | 13t+(1-at)=35 | | 6/9=x/7.5 | | 21*1.5= | | 6[5r-3]= | | 12d^4+8q=0 | | 2.5+24.5=12 | | 6/108=x/90 | | 4a+3=a-8 | | 9x-1y=12 | | 9n-5n=12 | | 6x-9y=56 | | 28+19x=-8+-15x | | -79(x+3)=14 | | 4x+3+41=180 | | r+8r=9 | | 2(b+8)=32 | | 4y+15=5y+8 | | 13z-11z=18 | | 120=24x | | 21x+8y=360 | | 7n-6n=3 | | 4y+15= | | 2x-30=70 | | -4r^2-28=0 | | 4w^1+4w+1=81 | | 23(x+13)=22 | | 7+72= | | 3/7-1/7y=1/2 | | 180=x-10+2x-30+70 | | 6a-3+4=7a |