ORGANIZATION - Collins Education Associates
One side of a square increases 3 ft. Other side increases 4 ft.New area = 56 ft2Side length of sq.?One side of square increases 3 ft. Other side decreases 3 ft.New area=16t2Side length of sq.?One side of a square increases 3 ft. Other side decreases 4 ft.New area = 18 ft2Side length of sq.?One side of a square decreases 3 ft. Other side decreases 4 ft.New area = 20 ft2Side length of sq.?Let x = side lengthx + 3 = new widthx + 4 = new lengthLet x = side lengthx + 3 = new widthx - 3 = new lengthLet x = side lengthx + 3 = new widthx - 4 = new lengthLet x = side lengthx - 3 = new widthx - 4 = new length(x +3)(x +4) = 56x2 + 7x + 12 = 56x2 + 7x + 12 = 56-56 = -56x2 + 7x -44 = 0(x + 11)(x – 4) = 0(x + 3)(x - 3) = 16x2 - 9 = 16x2 - 9 = 16-16 = -16x2 - 25 = 0(x - 5)(x + 5) = 0(x + 3)(x - 4) = 18x2 - x - 12 = 18x2 - x - 12 = 18-18 = -18x2 - x -30 = 0(x -6 )(x +5) = 0(x -3)(x - 4) = 20x2 - 7x + 12 = 20x2 - 7x + 12 = 20-20 = -20x2 - 7x -8 = 0(x -8 )(x +1) = 0x = -11 or x = 4Side length = 4 ftx = 5 or -5Side length = 5 ftx = 6 or -5Side length = 6 ftx = 8 or x = -1Side length = 8 ft26773153340402590177800046418517208500419109436245 ................
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