The area of this rectangle is 56 square units. How do you find its length x-5 and width x+5?
1 Answer
Feb 6, 2016
Explanation:
#(x-5) * (x+5)=56#
#x^2-25=56#
#x^2=81 implies x=9#
#(x-5) * (x+5)=56#
#x^2-25=56#
#x^2=81 implies x=9#