two ^x*(four *x - one * seven)*log(two) - four * two ^x = zero
2 to the power of x multiply by (4 multiply by x minus 1 multiply by 7) multiply by logarithm of (2) minus 4 multiply by 2 to the power of x equally 0
two to the power of x multiply by (four multiply by x minus one multiply by seven) multiply by logarithm of (two) minus four multiply by two to the power of x equally zero