Question

Efetui as somas e as subtraçoes de polinômios
A)(3a+2b)+(c+d)
B)(3ab-a+3b)-(2ab-a+3b)

Answer 1

B)(3ab - a + 3b) - (2ab - a + 3b) = (3ab - a + 3b) - 2ab + a - 3b) = ab