Answer:
Step-by-step explanation:

Here for 120, the expression for the start root and end root is given
<h3>What will be the expression for start root and enroot of 120?</h3>
Here we need to find 
By simplifying the given expression, we get:


by taking square roots on both sides we get
Thus for 120, the expression for the start root and end root is given
To know more about the Square roots follow
brainly.com/question/124481
Answer:
In solving a system of linear equations, we try to find values for each of the unknowns that will satisfy every equation in the system
Step-by-step explanation: