Question

me ajudem nessa letra e

Answer 1

-4x(elevado a 3) m(elevado a 5)

Answer 2

$\dfrac{36x^4m^4}{-9xm^2}\\ \\ \\ =\ \textgreater \ -4x^3m^2$

===

36 / 9 = 4

x⁴ / x = x³
m⁴ / m² = m²