ln(y25)−ln(5x)=−32\ln\left(\frac{y^2}{5}\right)-\ln\left(5x\right)=-\frac{3}{2}ln(5y2)−ln(5x)=−23
4sin2(t)+4sin(t)+1=04\sin^2\left(t\right)+4\sin\left(t\right)+1=04sin2(t)+4sin(t)+1=0
700−5700-5700−5
5x+10(x−2)=405x+10\left(x-2\right)=405x+10(x−2)=40
4w2+44w+1214w^2+44w+1214w2+44w+121
1+x+xy−2+2x−3xy−3+2xy−3x1+x+xy-2+2x-3xy-3+2xy-3x1+x+xy−2+2x−3xy−3+2xy−3x
(85)=0.32100.5−x\left(85\right)=\frac{0.32}{100.5-x}(85)=100.5−x0.32
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