Question

necesito ayuda urgente (3t+u) a la 2.
(m-2n) ala 3.
(w+5) ala 3

Answer 1

(3t+u)² = (3t)² + 2 (3t) (u) + (u)²  = 9t² + 6 tu + u²

(m-n)³ = (m)³ - 3 (m)² (n) +3 (m)(n)² - (n)³ = m³ - 3m²n + 3mn²-n³

(w+5)³ = (w)³ - 3(w)²(5) + 3 (w)(5)² - (5)³ = w³ - 15w² + 75w - 125