minus 14 multiply by 8 to the power of x multiply by (8 to the power of (2 multiply by x) divide by (8 to the power of (2 multiply by x) minus 1) minus 1) multiply by logarithm of (8) squared divide by square root of (1 minus 8 to the power of (2 multiply by x)) equally 0
minus fourteen multiply by eight to the power of x multiply by (eight to the power of (two multiply by x) divide by (eight to the power of (two multiply by x) minus one) minus one) multiply by logarithm of (eight) to the power of two divide by square root of (one minus eight to the power of (two multiply by x)) equally zero