कैसे हल करें D is partly constant and partly varies with V. When V = 40 , D = 150 , and when V = 54 , D = 192 . a Find the formula connecting D and V. b Hence find D when V = 73

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1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

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