Question

(9x⁵+21x⁴-12x³):(3x³​

Answer 1

Resposta:

$(9 {x}^{5} + 21 {x}^{4} - 12 {x}^{3} ) \div (3 {x}^{3} ) \\ \\ 3 {x}^{5 - 3} + 7 {x}^{4 - 3} - 4 {x}^{3 - 3} = \\ \\ 3 {x}^{2} + 7 {x}^{ 1} - 4 {x}^{0} = \\ \\ 3 {x}^{2} + 7x - 4(1) = \\ \\ 3 {x}^{2} + 7x - 4$

Bons Estudos!