Question

Efetue as operações a seguir

A) (2ab-5)-(3ab+2)


B) (-4x+2y+1)+(3x-4y-2)

Answer 1

A) 2 ab+3ab-5-2
5ab-7
ab= -7-5
ab = -12

B) -4x-3x+2y+4y+1+2
-7x+6y+3
Xy= -2