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x in (-oo:+oo)
x^3*((12*x^4)/4) = 0
3*x^7 = 0 // : 3
x^7 = 0
x = 0
x = 0
| 5x/7-30=5 | | 10.26=s-7.69 | | 2ln(x+2)-ln(8x)=0 | | -1/9k=25 | | X-5=18x | | (X-z)/2x-10=y | | 3x-18=12x+25 | | 2r+10=20 | | 72.17=c+37.52 | | x^2+13x+11=0 | | (2x-3y)(4x+5y)= | | -5/4c=-5 | | 30=1.5x^2-5x+20 | | 5=18x+4 | | 16.90=45.95-n | | -3/2=c-5/3 | | x/5=1/7 | | 2-R/6=R/5 | | 5/6,8/15 | | x^2-14x+49=11 | | -5/4c=5 | | 2000+60=19,821.20 | | (4e)2= | | 3-3b=630 | | 13m+3=15 | | x+70+2x-30+y-15+y=360 | | 3.95+0.08=20 | | 6s*4t= | | y+6=26 | | 4*3f= | | ((3x)/4)-1=2 | | 3/4-1/7= |