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December 21, 2014

December 21, 2014

Posted by **Antony** on Tuesday, September 29, 2009 at 2:03pm.

i need help to answer a question and i need someone to explain to me how to do it

Multiply out the brackets and collect the terms.

(2y-3)(ysqaured + 4y -1)

- Algebra -
**DrBob222**, Tuesday, September 29, 2009 at 2:10pmMultiply the stuff in the second set of parentheses by 2y to obtain:

y^2*2y + 4y*2y -1*2y = 2y^3+8y-2y

Then multiply the same stuff by -3 as I did above, and collect terms.

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