Question

1. simplifique as expressões algebricas

a) 5xy + 15xy- 12xy+2xy
b) 9x⁴ y ³- 18x⁴y³-10x⁴y³+2x⁴y³

2) efetue as operações reduzindo os termos semelhantes

a) ( 5x³-4x²+6x+8) - ( 7x³+8x²-10x)
b) ( 5m-2m n+7n) - (2m-8m n-10n)​

Answer 1

Resposta:

1)

a) 10xy

b) -17x⁴y³

2)

a) -2x³-12x²+16x8

b) 3m+6mn+17n