4t^2-(t-5)^2 m^3-m^2-9m+9 решите плз

Question

4t^2-(t-5)^2
m^3-m^2-9m+9
решите плз

Answer 1

m^3-m^2-9m+9 = m^2 (m-1) -9 (m-1) = (m-1)*(m^2-9) = (m-1)(m+3)(m-3)
4t^2-(t-5)^2 = 4t^2 - t^2 +10t - 25 = 3t^2 + 10t - 25

Comments

Спасибо огромное