Ask your own question, for FREE!
Mathematics 11 Online
OpenStudy (anonymous):

Choose the correct product of (5x − 3)(5x + 3). Is it 25x^2-9 ?

OpenStudy (asnaseer):

yes

OpenStudy (anonymous):

Yep! Glad to see you're getting this down now :-D

OpenStudy (anonymous):

The middle two terms cancel out as you may have noticed (+15x - 15x = 0)

OpenStudy (asnaseer):

it is a specific instance of this factorisation:\[a^2-b^2=(a+b)(a-b)\]

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!
Latest Questions
Countless7Echos: Ah trying out the whole T.V girl drawing :p (I love drawing eyes)
42 minutes ago 8 Replies 5 Medals
kaelynw: starting to draw a hand
2 days ago 16 Replies 2 Medals
Twaylor: Rate it :D (Took 2 days)
2 days ago 7 Replies 0 Medals
XShawtyX: Art, Short Writing Assignment: Imagining Landscapes
3 hours ago 7 Replies 1 Medal
XShawtyX: Chemistry, Help ud83dude4fud83cudffe
3 days ago 13 Replies 1 Medal
kaelynw: tried a lil smt, the arm is off but i like the other stuff
3 days ago 27 Replies 3 Medals
kaelynw: art igg
3 days ago 14 Replies 1 Medal
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!