If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(13^7*13^8)/(13^-6)
(62748517*13^8)/(13^-6)
(62748517*815730721)/(13^-6)
51185893014090757/(13^-6)
51185893014090757/1/4826809
247064529073450392704413
| -x*x+2x-1=0 | | x/8-9=-7 | | qpy+7=6y+q | | 4s^2+7s-15=0 | | 5x-3(y-1)=2 | | 12x-1=142 | | lg(9x+5)-lg(x)=1 | | 21x=2(x-3) | | 1/3*7/12 | | 5/12*5/12= | | 3+3x=72 | | 5*6.5-5=2a | | 67/28x=-67/42 | | 9/10*3/5 | | 5*6.5=2a | | 10(x+6)= | | 5(3x-1)-(7+3x)=0 | | 2x-2=-7x+1 | | 5(12+y)= | | 5(12+y)y= | | 3b+14=4b+38 | | 49+x-3y=25 | | H(3)=-9(3)-3 | | 49+x-3y=254 | | 9-1.2=0 | | 52=5w+17 | | 52=w+17 | | f(x)=x^2-13x-9 | | 2y-17=17 | | 8ab-2ab+6ab+a= | | 7-3x+5x=17 | | 10+4x+x=10 |