If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5^(x+2)-5^(x+1)=40
We move all terms to the left:
5^(x+2)-5^(x+1)-(40)=0
We move all terms containing x to the left, all other terms to the right
5^(x+2)-5^(x+1)=40
| 3(x‒2)+5=3x‒1 | | 2^(2x+2)=9.2^x-2 | | 7x-15=6(x+2)(3) | | x^2−2x−6=0 | | -34(8x-20)+2x=10-13(6x-18) | | )3(6-x)=24 | | 10•z=10z | | -8v-4v=-12-8v | | 4.2h=1.4 | | 56x=280 | | 2(8u+2)=3(2u‒7) | | 2^2x+2=9.2^x-2 | | 6x²-2x+9=0 | | 9a=4 | | 182=7(2+4m) | | 10(s+7)=100 | | 3/4x+7=15 | | 0=-6x(x-2x) | | X^(2)-6x-7=0 | | |3x-8|=12 | | -400=-8(1-7p) | | W^2-6w=-20-5w | | (6-z)(2z+7)=0 | | 82=6x+20 | | 5x-14=8x+12 | | 98-34x=16x-2 | | 8v^-4/5=4 | | p=1/2+9/8Q=13 | | 4x²+40x-44=0 | | 5x-10=28 | | p=1/2+9/8 | | 56=2x-12 |