Question

Explain, in complete sentences, the difference between the two.

•twice the sum of x and y
•the sum of twice x and y

Answer 1

* 2(x+y)
* 2x+y

Answer 2

in sentences

Answer 3

that is what you wrote in your question,

Answer 4

just look at the 1st one,it says twice the sum of x and y ,in algebraic form 2(x+y).we can simplify this as 2x+2y.
but 2nd one say that the sum of twice x and y,in algebraic form 2x+y.
now can you see the difference between these expressions?

Answer 5

Given,double the sum of 'x' & 'y' . so, we will write it as follows:
2(x+y)