The length of a rectangle is three more than twice its width. The area is 65 m2. What is its width?
Width = X meters.
Length = (2X+3) meters.
X(2X+3) = 65m^2.
2X^2 + 3X = 5,
2X^2 + 3X - 65 = 0,
Solve for X using the Quad. Formula:
X = 5, and -6.5.
Select + value of X:
X = 5m = Width.