Question

Elimina los parentesis y reduce los terminos semejantes en el siguiente polinomio (-5x2y2 – 9y+xy2) + (8x2y2+5y-2) – (-3y2-xy2)

Answer 1

$( - 5 {x}^{2} {y}^{2} - 9y + x {y }^{2} ) + (8 {x}^{2} {y}^{2} + 5y - 2) - ( - 3 {y}^{2} - x {y}^{2} ) \\ - 5 {x}^{2} {y}^{2} - 9y + x {y }^{2} + 8 {x}^{2} {y}^{2} + 5y - 2 + 3 {y}^{2} + x {y}^{2} \\ 3 {x}^{2} {y}^{2} + 2x {y}^{2} + 3 {y}^{2} - 4y - 2$