Redirected from Cubic feet
1 cubic foot is equal to:
See 1 E-2 m³ for a comparison with other volumes, also orders of magnitude (volume).
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... to the expression to the left of "=", that will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), ...