Question

Simplifique as expressões algébricas: A) (3y)³÷3y²+8y, B) 5ab³+7ab³+24ab⁴÷(-6b), C) (7x³)²-2x^6+4x^6

Answer 1

a) (3y)³ : 3y² + 8y
= 27y³ : 3y² + 8y
= 9y + 8y
= 17y

b) 5ab³ + 7ab³ + 24ab⁴ : (-6b)
= 5ab³ + 7ab³ - 4ab³
= 8ab³

c) (7x³)² - 2x⁶ + 4x⁶
= 49x⁶ - 2x⁶ + 4x⁶
= 51 x⁶

Answer 2

     A) (3y)³÷3y²+8y =
          27y³ : 3y² + 8y =
                 9y      + 8y = 17y

    B)  5ab³+7ab³+ 24ab⁴ ÷(-6b) =
                 12ab³+ 24ab⁴ : (-6b) =
                 12ab³ - 4ab³  =  
                        8ab³

   C)  (7x³)² - 2x⁶ + 4x⁶ =
          49x⁶ + 2x⁶ =
               51x⁶