Question

((4 х)^3*х^-5)(х^-7*5х^5)
как решить?

Answer 1

((4x)³ * x⁻⁵)/ (x⁻⁷ * 5x⁵)=(4³ *x³ *x⁻⁵)/(5 x⁻⁷ *x⁵)= (64 *x⁻²) / (5* x⁻²) = 64/5.