Prove that Matrix Multiplication Distributes Over Addition: A(B + C) = AB + AC

Prove that Matrix Multiplication Distributes Over Addition: A(B + C) = AB + AC

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Thank you:)

[semrozema]

Thank you so much for making me understand the formal definition of matrix multiplication we had this as a homework exercise so you helped me a lot

[coltonlemasters]

This was great! My textbook does a proof of this where it uses the left-hand distributive property in the proof itself. Don't quite understand how that works, but yours makes sense. Thanks!

[niteryder]

just started learning matrices today, god-like timing