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x in (-oo:+oo)
(a^-2*((15*a^3*b)/21)*b^4)^2 = 0
25/49*a^2*b^10 = 0
x należy do R
x in (-oo:+oo)
| 6x^4-31x^3+25x^2+33x+7=0 | | 7(-5v-8)=o | | 12.68=x-(0.2x) | | 3-x|3=1-x|3 | | 5y-6=164 | | 209=153-x | | 9|3=63 | | 9|3=6 | | 3/4x3/4x3/8 | | 9|3= | | -v+51=184 | | 4x^2-7x-100=0 | | -w+198=10 | | 15x+20=65x+10 | | 2X-X=908 | | -15(1/2.5x)1/2=y | | 2x(X+2)=5(11-3x) | | 24x^2-20=76 | | =-15x+35y | | 8(5x-4)=6(2x+4) | | 2x+12=3x-4 | | 189=108-u | | 2c^2-c^2= | | (3x-6)(2x+3)=0 | | 2(3x-4)=4[(1/2)x-8 | | 8x+2=14x | | 6+4w+3l=90 | | 6x^3-4x^3= | | 25a^2+70a+49= | | 28=7/2y | | x^2+2x=x^2+4x+4 | | 5y=2y-18 |