If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.2xx=-15
We move all terms to the left:
0.2xx-(-15)=0
We add all the numbers together, and all the variables
0.2xx+15=0
We move all terms containing x to the left, all other terms to the right
0.2xx=-15
x=-15/1
x=-15
| 4^x–2=1/8 | | 45=90/x | | (x+6)²=12x= | | x3=1782 | | 1/3x+4.75=10.85 | | 3√(x+2)+√(2x+3)=2√(2x+6) | | 15(t-4)-2(t-9)+5(t-6)=0 | | f-16=21 | | x2-56=25 | | 3y+3/2=15/12 | | 329=125+16h | | 4x=14+9(2) | | 2.25(4x-4)=10+10x | | S=√(24m) | | (2x-1)(x+3)=-2x | | T=2x-2 | | 125+16h=329 | | 8m+4=3(m,-1)+7 | | 5−7x=3−5x | | 3819=n−520 | | X+3/x-1=x | | 1x−3=3x−5 | | .75x-3.25=6.75 | | x/100=31.29/208.56 | | 4x-5+3x=7x-8 | | m3=m+47 | | 12X4=x | | 324=b+43 | | 2n-20n+16n-10=0 | | 7x+4(x+6)-4=9 | | 3m=57 | | -10+18h=17h |