x²+ax = ... = (x+a/2)²-(a/2)² (visual proof)

Author:Daniel Mentrard

Topic:Algebra, Solids or 3D Shapes

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/x%C2%B2+axMD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/x%C2%B2+axMD.html

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