2𝑎𝑏(𝑎𝑏 − 𝑎2𝑏) − (𝑎𝑏)2 − (𝑎𝑏 − 𝑏)(𝑎𝑏 + 𝑏)
Mathbot Says...
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2𝑎𝑏(𝑎𝑏 − 𝑎2𝑏) − (𝑎𝑏)2 − (𝑎𝑏 − 𝑏)(𝑎𝑏 + 𝑏)
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.