Question

Simplifique as expressões:

9x^4y^3 - 18x^4y^3 - 10x^4y^3 +2x^4y^3

Answer 1

Resposta:

$9x^4y^3-18x^4y^3-10x^4y^3+2x^4y^3=\\ \\ x^4y^3(9-18-10+2)=\\ \\ x^4y^3(11-28)\\ \\ x^4y^3(-17)=\\\\ -17x^4y^3$