Two sides of a rectangle are (x + 5) ft and (x - 7) ft. The area of the rectangle is 64 ft². What is the value of x?
Added by Suzanne G.
Step 1
In this case, the length is (x + 5) ft and the width is (x - 7) ft. So we can write the equation as: A = (x + 5)(x - 7) Show more…
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