Question

Dado os polinomios
p1
p2
p3​

Answer 1

a)a + b^2 - 3ac -2a + 3b^2 -5ac-4a +5b^2 -7ac
= -5a + 9b^2 -15ac

b) -5 x 1 + 9 x 2 - 15 x 1 x -1
= -5 + 18 + 15
= 28