A rectangle has length x + 5 and width x−3 . What is the area of the rectangle? Write your answer as a polynomial in standard form.(2 points)
L×W=A=
A = (x + 5)(x - 3)
A = x^2 + 5x - 3x - 15
A = x^2 + 2x - 15
Thus, the area of the rectangle is x^2 + 2x - 15.