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x4 + 7x2 - 60 = x4 + 12x2 - 5x2 - 60 = x2(x2 + 12) - 5(x2 +12) = (x2 - 5)(x2 +12)
6 x2 12 x4 48 x2 96 x4 384
I would get 12 to be safe.
If: x4 = 36 Then: x = 2.4494897428
The conversion between feet and inches are given .On finding the relation we get as follows . 1 feet =12 inches . now,4 feet = 12 X4 =48 inches . No, 4 feet ( 48 in ) is not equal to 27.