Question

Work out the y^3 + 5y when y = 2

Answer 1

Hi!

`\diamondsuit` Plug in 2 for y:

`\boldsymbol{2^3+5(2)}`

`\diamondsuit` Cube 2 first:

`\boldsymbol{8+5(2)}`

`\diamondsuit` Multiply 5 times 2 next:

`\boldsymbol{8+10}`

`\diamondsuit` Add.

`\boldsymbol{18}`

Therefore,

`\stackrel{\heartsuit}{\boxed{\boxed{\boldsymbol{Answer:~~18}}}}`

Cheers!!

I hope I helped, have an amazing rest of your day!

If you need any explanation or clarification - comment! :)

Answer 2

Explanation:

y³ + 5y

2³ + 5 × 2

8 + 10

18...