Question

Factorise the following
expressions:


1. 49y²+84yz+36z²
2. 121b²-88bc+16c²
3. (l+m)²-41m (hint:expand(l-m)²first)
4. a⁴+2a²b²+b⁴
5. 4x²-8x+4
write it's definiction also
and write correct answer
plzzzzzzzzzzzzzzzzzzzzzzzzzzz​

Answer 1

I hope this answer helps you.