A rectangular piece of cardboard has dimension 18 cm x 24 cm. Four squares each "x" cm by "x" cm are cut from the corners. An open box is formed by folding up the flaps.
asked Jul 10 in Word Problem Answers by Kengs

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The length and width of the box are each reduced by 2x: 18-2x and 24-2x. The height of the open box is x cm.

The volume V is (18-2x)(24-2x)x=4x(9-x)(12-x)=4x(108-21x+x²)=4x³-84x²+432x. V=4x³-84x²+432x.

answered Jul 10 by Rod Top Rated User (588,900 points)

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