8 on 5 x -4
is
\(\frac{8}{5\ * \ \left(-4\right) }=-\frac{2}{5} \)
or
\(\left(5\ *\left(-4\right) \right) ^{8} =25\ 600\ 000\ 000 \)
or
\(\left(5x-4\right) ^{8} =\left(\left(25x^2-40x+16\right)\times \left(25x^2-40x+16\right) \right) ^{2}\)
or
\(\frac{8}{5x-4} \)
or
\(5^{8} \times \left(-4\right) =-1\ 562\ 500\)