Which statement is true of a rectangle that has an area of 4x2 + 39x - 10 square units and a width of (x + 10) units?
The rectangle is a square.
The rectangle has a length of (2x - 5) units.
The perimeter of the rectangle is (10x + 18) units.
The area of the rectangle can be represented by (4x2 + 20x - 2x - 10) square units.
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