Question

If x = -2 and y = 12, thеn 2(3х3 + 2у2) =
ОАО
о в 12
о с 48
ооо
oo 96

Answer 1

528

Explanation:

2(3х³ + 2у²)

Where x = -2 and y = 12 which means whenever you sees x, put -2 in replacement and y put 12

So we solve;

2(3x³ + 2y²), x = -2, y = 12

2[3(-2)³ + 2(12)²]

2[3(-8) + 2(144)]

2[-24 + 288]

open the bracket by multiplying by 2

-48 + 576

combine

528

Answer 2

Answer:
`=528`

Explanation:

You have this expression:

`2(3x^3 + 2y^2)`

You already know that the value of the variable "x" is:

`x=-2`

And the value of the variable "y" is:

`y=12`

Therefore, you can substitute the value of the variable "x" and the value of the variable "y" into the expression.

Then you get:

`2(3(-2)^3 + 2(12)^2)=2(-24+288)=2(264)=528`