Question

pls answer these both fast ........class 9th ch-polynomials​

Answer 1

Answer:

hope it helps you

Step-by-step explanation:

(a+b+c)²=a²+b²+c²+2ab+2bc+2ca

(a+b-c)²=a²+b²+c²+2ab-2bc-2ca

you can use this identities and solve

please Mark as brainliest...

Answer 2

Answer:

1)4x2+y2+9+4xy+6y+12x

2)16x2+4y2+4z2+16xy+-8yx-16xz2

Step-by-step explanation:

hope it helped uh , mark as brainleist,follow me,thnk my answer