Algebra 2
posted by Anonymous .
Can you check my answer and the work? Thank youu~~
(2xy)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
+ 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
so is it this?
128x7 448x6y +672x5y2  560x4y3 +280x3y4 84x2y5 +14xy6 y7
or
128x7 448x6y +672x5y2 280x3y4 +14xy6
? 
Algebra 2 
helper
sorry, I didn't see your 2nd line after
"or", so the correction applies to your first line/answer 
Algebra 2 
Anonymous
k thank youuu~~~ =)

Algebra 2 
helper
you're welcome
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