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Factoring quadratics intro


The rectangle below has an area of x, squared, plus, 11, x, plus, 28 square meters and a length of x, plus, 7 meters.
What expression represents the width of the rectangle?
A rectangle with an unknown width and a length of x plus seven. The area of the rectangle is x squared plus eleven x plus twenty-eight.
start text, W, i, d, t, h, end text, equals