Ask
your own question, for FREE!
Mathematics
40 Online
Expand: (2x-5y)^2
Still Need Help?
Join the QuestionCove community and study together with friends!
4 x^2-20 x y+25 y^2
\[(x-y)^2=x^2-2xy+y^2\] \[(2x-5y)^2=(2x)^2-2(2x)(5y)+(5y)^2\] \[=4x^2-20xy+25y^2\]
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
zanesafoodie:
as someone who wants to learn how to animate but actually sucks at drawing, do an
zanesafoodie:
This house is cold Just me, myself, and I This house is empty after u left the ca
uknownprttyfacekayla:
Made a poem its a whole story told so short ud83dude4fud83cudffd
Trickjoker:
How has Artificial Intelligence improved so much over the past couple of years? W
foxey3:
What type of questions would be asked at a National Army Guard interview?
adreonnaRaeee:
for those who needed this, lmk what you think :) some mornings you donu2019t wake up, you surface.
addison123456:
Itu2019s 2 a.m. and Iu2019m realizing how much of my life fell apart because my parents chose not to show up when they could have.
DemonKinge:
you and me: Black boots, red cup Brown liquor, no suds Some bad motherWizarders j
DemonKinge:
Periodic table of elements Periodic table of elements, the true heart of chemistr
uknownprttyfacekayla:
I wrote a story its kinda long and probably boring but its about mistakes,jealousy, and moving forward.
14 seconds ago
2 Replies
0 Medals
1 hour ago
52 Replies
5 Medals
1 hour ago
6 Replies
2 Medals
43 minutes ago
3 Replies
2 Medals
5 hours ago
4 Replies
4 Medals
1 hour ago
5 Replies
0 Medals
14 hours ago
6 Replies
1 Medal
14 hours ago
6 Replies
1 Medal
16 hours ago
0 Replies
0 Medals
5 hours ago
24 Replies
5 Medals