If its length is 2x-3 feet and its width is 5x+1 feet, what is the actual length and width of the rectangle ? ( a rectangle has an area of 1281 square feet.)

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asked Sep 14, 2017 133k views

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Oddmund · Answer 1 · 2017-09-19T06:55:06+0000

( 2x - 3) X ( 5x +1) = 1281

*it's a quadratic

10x² -13x -3 = 1281 * move 1281 to the left side to equal zero

10x² -13x - 1284= 0

and solve to look for the zeros....

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If its length is 2x-3 feet and its width is 5x+1 feet, what is the actual length and width of the rectangle ? ( a rectangle has an area of 1281 square feet.)

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