Homework Help: Math

Posted by anonymous on Thursday, June 3, 2010 at 7:10am.

Using the example: (a+b)(a+b)= a squared -b squared, we are asked to multiply and simplify (b+3d)(b-3d). Hint: Do not use distributive property.
Shouldn't the answer be b squared - 9d squared?

Math - Reiny, Thursday, June 3, 2010 at 7:30am
yes
Math - anonymous, Thursday, June 3, 2010 at 7:31pm
thank you!

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