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x in (-oo:+oo)
((1/2)*x^2)/4 = 0
1/8*x^2 = 0 // : 1/8
x^2 = 0
x = 0
x = 0
| 6t-12=18 | | 8-3/8k=-4 | | 5r-6=4 | | -7500+0+7533.3+7550= | | 4q+5=17 | | 3+0.06s+450= | | 2+0.06s+450= | | 2+0.06+450= | | 1+0.06+450= | | 3(x+2)-x+4=2x+10 | | 4/2.5=h/3 | | 0+0.06s+450= | | 7(x+3)=4(x+9) | | 6x-8=88-10x | | -4x+6x^2=0 | | x(x+3)=x^15 | | 2(x-1)+3x=5(2+x) | | y=1.8*11+6.2 | | 3x-5=4+2 | | y=1.8*-11+6.2 | | 2x-54-76x=-99x+77 | | 8/21=-10/21x+3/7 | | 10=0.5x+5.5 | | 946=550(1+0.18t) | | 4x-13=6x+7-(2x+9) | | 76=42 | | x^2+9x+28=0 | | 4=4x+20 | | 5/9=h/63 | | 6-8x=16x | | 3.5/n=2.5/4.5 | | n/0.28=0.5/0.7 |