Friday

February 27, 2015

February 27, 2015

Posted by **Anonymous** on Tuesday, January 11, 2011 at 10:12pm.

(2x-y)7

128x7 -448x6y -672x5y2 -560x4y3 -280x3y4 -84x2y5 -14xy6 -y7

orr

128x7 -448x6y +672x5y2 - 560x4y3 +280x3y4 -84x2y5 +14xy6 -y7

Ps: the 7 in the equation is the exponent and the numbers after the variable are also the exponent

- Algebra 2 -
**helper**, Tuesday, January 11, 2011 at 10:25pm+ 672x^5y^2 - 280x^3y^4 + 14xy^6

only the signs were wrong for the above

corrections

I used an online calculator to expand so I know it's right

- Algebra 2 -
**Anonymous**, Tuesday, January 11, 2011 at 10:29pmso is it this?

128x7 -448x6y +672x5y2 - 560x4y3 +280x3y4 -84x2y5 +14xy6 -y7

or

128x7 -448x6y +672x5y2 -280x3y4 +14xy6

?

- Algebra 2 -
**helper**, Tuesday, January 11, 2011 at 10:32pmsorry, I didn't see your 2nd line after

"or", so the correction applies to your first line/answer

- Algebra 2 -
**Anonymous**, Tuesday, January 11, 2011 at 10:34pmk thank youuu~~~ =)

- Algebra 2 -
**helper**, Tuesday, January 11, 2011 at 10:40pmyou're welcome

**Answer this Question**

**Related Questions**

algebra again - solveee? 3x+2y-6=0 ? thank youu?! (:

Algebra - - ok... we keep getting this one wrong: Solve the following equation ...

Algebra - I am having issues with factoring. I am trying to check my work using ...

Algebra - Hello, can someone tell me if I got the following solve and check work...

algebra - Will someone check my work here and let me know if I am right. Thanks...

algebra - i have two answers to this problem so am not sure which way I need to ...

Algebra - Hiya. I have 7 expressions that I have been asked to simplify. I ...

Algebra 1 - I need to factor the expression t^2 + 4tv + 4v^2 I got this answer...

MATh (check my answer please) - A salesperson makes a flat fee of $20 per day ...

8th Grade Algebra: Answer Check #2 - Add or Subtract (Radicals) { this means ...