Question

x ao cubo +3y - 2x.
x=3 e y=2.​

Answer 1

Resposta:

a) (x + 3y)2= x2 + 2.x. ... d) (x2 – 6)2 e) (2x + 7) 2 f) (9x + 1) . (9x – 1) g) (a2 – xy)2 h). 2 y. 6. 1 x3. ⎟ ... Nesse caso, x6 = (x3)2 e y2 = (y)2