Answer: The width of the field = 120
Step-by-step explanation: This question can be solved by first opening of the bracket, then relating the equation to quadratic general equation and finally solve for domain of X by using quadratic formula.
Please find the attached file for the solution.
A to Predict planetary changes
Answer:
there should only be two points at 6 and 4
Step-by-step explanation:
[x-5]=1
x-5=+ 1 or -1
x-5= 1
x-5= -1
x=6 or 4