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.
The area of a rectangle is given by the formula A = length x width.
So, in this case, the area of the rectangle is:
A = (x + 5)(x - 3)
A = x^2 - 3x + 5x - 15
A = x^2 + 2x - 15
Therefore, the area of the rectangle is x^2 + 2x - 15.