1 Answered Questions for the topic Math, Equations

Math, Equations

02/09/17

Where did the "a" come from in this answer and how come the final bit isn't negative?

I'm reading this book called "Get Math" and one part of the book says -b(a2+2ab+b2) = -a2b - 2ab2 +ab3. My first question is where did the "a"come from and my second one is how come the last bit... more

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