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56/(-7)
(x^3)/(x^2-4)
(x^4)/(x^2-4)
x-(y*z);y-(x*z);z-(x*y)
(1-x)^2
| x+.40=224 | | 7-15h=-1-14h-6 | | x+23=x+16 | | 1200(1+0.035)12= | | -10c-20=-13c+19 | | 2(3d+7)=5+64 | | 6n+10=8n-10 | | .40+x=224 | | 4x+1.8=7.6 | | 1384.74=2r*3.14 | | -k+10=-10+9k-10 | | 4+X=80 | | 6x^2+2x+2=-5x | | 2x^3-216x=0 | | 10f-2=9f | | 5d-9=6d | | x^2-8x-63=-10x | | 4x-(2-2x)=16 | | 72.021-y=-32.26 | | 23+x=77 | | x^2-5x=-3x+24 | | 35=x-8 | | 270.04=3.14*r^2 | | a^2/a^5 | | 6w-3w=12 | | 2-12=5x+2 | | 14+6(7-3)-8= | | 5x=-10+5x | | [x/5]-9=15 | | 6+w=-4 | | 10x+45x^2+10x^4=0 | | 10-8*6+7= |