tkmphondhlovu
tkmphondhlovu tkmphondhlovu
  • 26-02-2021
  • Mathematics
contestada

1) Expand and simplify the following:
a)3(x squared plus 3x cubed - 2)​

Respuesta :

adioabiola
adioabiola adioabiola
  • 03-03-2021

Answer:

3x³ + x² - 2

Step-by-step explanation:

a) 3(x squared plus 3x cubed - 2)​

x squared = x²

3x cubed = 3x³

3(x squared plus 3x cubed - 2)​

= 3(x² + 3x³ - 2)

= 3x² + 9x³ - 6

Rearrange according to power

= 9x³ + 3x² - 6

When the expression is divided by 3, it is equivalent to

3x³ + x² - 2

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