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x-1800000000(-1x+0.15)^2=0
| 1500+10x+0.2x^2=0 | | 5x^2-21=19 | | x/(0.15-x)^2-1800000000=0 | | 9x^2´-5=0/ | | d^2+7=2 | | 1.8x10^9x^2-540000001x+4.05x10^7=0 | | -2g^2+4=-124 | | 384=12w | | 2x-1+x+3=91 | | 35y-y-12y=0 | | -2x+37=6x-113 | | 5w+18/26=3 | | 84=16t^2+72t+3 | | x+7(x+9)-28=-310 | | 5m-10=44 | | 3x-7=x+5² | | 12-0.25h=15-0.75h | | 1/2=n/14 | | -3(1-7x)-3=141 | | -4+5-8+10+x-7=0 | | 1=n/10 | | K8+2=k+4 | | 6=3q^2–600q+6 | | 4x+3x+13=904(11)3(11)+13 | | 3x+5=107 | | 5p–21=54 | | 450=(3000)(x)(3) | | 3(2h-1)=0 | | 13/50=n/20 | | 3√(1)+2^3+x-3√(8)/2√(4)=15 | | -(s+5)=-14 | | -16t²+54t+24=0 |