cody1097
cody1097
16.09.2021 • 
Mathematics

How can (a+3)^2=a^2+6a+9 be derived from the polynomial identity (a−3)^2=a^2−6a+9?


How can (a+3)^2=a^2+6a+9 be derived from the polynomial identity (a−3)^2=a^2−6a+9?

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