Question

3x2^+2(x+4x) when x=2

Answer 1

32

Explanation:

Given the algebraic expression;

`3x^(2) + 2(x + 4x) = 0`

When x = 2

It simply means that we would substitute the value of x into the equation.

`3*2^(2) + 2(2 + 4*2)`

`3*4 + 2(2 + 8)`

`12 + 2(10)`

`12 + 20`

`12 + 20 = 32`