Question

Am nevoie de ajutor
URGENT
REZOLVATI TOT DIN IMAGINE
DAU COROANA​

Answer 1

a) 2x^3 +5x^3 - 12x^3 +15x^3 +19x^3 -27x^3 = 10x^3+19x^3-27x^3 = 2x^3

b) -9a^2 +14a^2 +12a^2 +5a^2 -24a^2 +9a^2 = -2a^2 + 9a^2 = 7a^2

c) 19x^2 - 7x^2 -15x^2 -24x^2 +9x^2 = -18x^2