Question

Escreva o polinômio que representa a diferenças:

A) (3x - 2,7xy) - (1,5x - 1,3xy)

B) (10x - 7x) - (-3x - 5x)

C) (2ab - 5a - b) - (-3ab + 6a - b)

Answer 1

Resposta:

A)(3x - 2,7xy) - (1,5x - 1,3xy)

-1,4xy+4,5x

B) (10x - 7x) - (-3x - 5x)

3x- (-2x)

5x

C)(2ab - 5a - b) - (-3ab + 6a - b)

(2ab - 5a - b)+ 3ab+ 6a - b

5ab+a - 2b