Question

Which of the following algebraic expressions is not simplified?

Answer 1

B.
`x+2x`

Explanation:

we will verify each options

option-A:

we have

`x+1`

we can see that x and 1 are different terms

so, they are not like terms

so, we can not combine or simplify it

so, this is in simplest form

this is FALSE

option-B:

we have

`x+2x`

we can see that 2x and x are same type of terms

so, they are like terms

so, we can combine or simplify it

`x+2x=3x`

So, this expression is not in simplest form

this is TRUE

option-C:

we have

`x^2+x`

we can see that x^2 and x are different terms

so, they are not like terms

so, we can not combine or simplify it

so, this is in simplest form

this is FALSE

option-D:

we have

`5x^3-x`

we can see that 5x^3 and x are different terms

so, they are not like terms

so, we can not combine or simplify it

so, this is in simplest form

this is FALSE