(y+5)(y^2-5y+25)-y(y^2+4) при y= -458

Question

(y+5)(y^2-5y+25)-y(y^2+4) при y= -458

Answer 1

(y + 5)( y² - 5y + 25) - y(y² + 4) = y³ + 125 - y³ - 4y = 125 - 4y
При y = - 458:
125 - 4y = 125 - 4 × ( - 458) =125 + 1832 = 1957

Comments

пожалуйста)))