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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