1. The area of a rectangle is (49x2 - 36y2) square units. Determine the dimensions of the rectangle by factoring the area expression completely. Show your work. (2 points)
2. The volume of a rectangular box is (x3 + 2x2 - 9x - 18) cubic units. Determine the dimensions of the rectangular box by factoring the volume expression completely. Show your work.

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For #1, use the formula:
\(\sf a^2-b^2 = (a-b)(a+b)\)

I did number 1, but I am highly doubtful of my answer. Number 2 is confusing me a little.

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