GabrielSmurf GabrielSmurf
  • 16-02-2015
  • Mathematics
contestada

What is (2+y)³ written out?

Respuesta :

Аноним Аноним
  • 17-02-2015
[tex]{ \left( 2+y \right) }^{ 3 }\\ \\ =\left( 2+y \right) \left( 2+y \right) \left( 2+y \right) \\ \\ =\left( 2+y \right) \left( 4+4y+{ y }^{ 2 } \right)[/tex]

[tex]\\ \\ =2\left( 4+4y+{ y }^{ 2 } \right) +y\left( 4+4y+{ y }^{ 2 } \right) \\ \\ =8+8y+2{ y }^{ 2 }+4y+4{ y }^{ 2 }+{ y }^{ 3 }\\ \\ ={ y }^{ 3 }+6{ y }^{ 2 }+12y+8[/tex]
Answer Link

Otras preguntas

the expression x -1/8 is the same as
A bag contains 2 red marbles, 5 blue marbles, and 3 yellow marbles. What is the theoretical probability of picking a blue marble? A. 2/9 B. 1/2 C. 4/9 D. 1/
given: AC is parallel to DF, m<1 = m<4prove: AE is parallel to BFplz help:(​
Express the following ratio as a fraction then reduce the fraction to the lowest terms 4:6
A young hockey player stands at rest on the ice holding a 1.3 kg helmet. The player tosses the helmet directly in front of him with a speed of 6.5 m/s and recoi
help asap ill give brainliest
Find the mean for the following group of data items. 8, 2, 6, 5, 4, 1, 6, 3
Pythagoras theorem Please answer will mark BRAINELIST :)
Which group has the maximum number of valence electrons attainable?
Match each lobe of the brain with the correct label.