Question

1. An expression is shown below.

V21x
For which value of x should the expression be
further simplified?
A. 5
B. 6
C. 11
D. 55

Answer 1

we have that√(87*x)we know that87 is equal to------> 3*29In order for the square root to go further, the number for "x" has to have a factor of 3 or 29the number 21-------> 3*7so√(87*x)------> √(3*29*3*7)------> √(3²*29*7)----> 3√203the answer isx=21

Explanation: