#exponents
13 messages · Page 1 of 1 (latest)
4^x+4^x+1=40
(2^2)^x+(2^2)^x+1=(2^2)*10
2x+2x+2=2 x 10
4x=20-2
4x=18
x=4.5
Where did I go wrong? Answer is 1.5
don't understand step 2->3
try factoring out 4^x
4^x(1+4) = 40
you'll see the solution pretty quick
hey can u please help me with my problem
get a channel and ask there