Question

3,5х^6у^-4•2х^-4у^9
Помогите решить

Answer 1

$3.5 {x}^{6} \times {y}^{ - 4} \times 2 {x}^{ - 4} \times {y}^{9} = 7 {x}^{6 - 4} \times {y}^{9 - 4} = 7 {x}^{2} \times {y}^{5} = 7 {y}^{5} {x}^{2}$