Question 153677: A rectangular box is (3x + 7) feet wide, (6x + 3) feet long, and (7x - 1) feet high. Find the volume of this box. Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! (3X+7)(6X+3)(7X-1)
3X+7
6X+3 MULTIPLY
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18X^2+42X+9X+21
18X^2+51X+21
7X-1 MULTIPLY
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126X^3+357X^2+147X-18X^2-51X-21
126X^3+339X^2+96X-21
3(42X^3+113X^2+32X-7) ANSWER.