Question

a rectangle's width is 5 feet less than its length. if the area of the rectangle is 546 square feet, what is its length, in feet?

Answer 1

546 = x(x-5)
x^2 - 5x = 546
x^2 - 5x - 546 = 0

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Answer 2

so the final answer is 0?

Answer 3

No, you set the expression equal to zero and solve for x. You have to factor. Click the link http://prntscr.com/2x4wsv for the answer.

Answer 4

thank you!