Calculus

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Solve: dy = [2+(y-2x+3)^0.5]dx
The answer in the book is 4(y - 2x + 3) = x^2 + C, but I don't know how to solve.
I've tried solving, but this ODE is not exact, nor homogeneous and I don't think the method of integrating factors apply either.
Please help. Thanks in advance.

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