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Mathematics, 26.08.2021 23:40 Mlmyers81

In the proof of the Law of Cosines, the equation c^2=h^2+(b-x)^2 was created using the Pythagorean theorem. Which equation is a result of expanding (b-x)^2? A c^2=h^2+b^2-x^2
B c^2=h^2+b^2-2bx+x^2
C c^2=h^2+b^2+x^2
D c^2=h^2+b^2-2bx-x^2

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