Question

expand : (2x-3y+yz)²​

Answer 1

Answer:

2x−y+z)

2

⇒A

2

+B

2

+C

2

=A

2

+B

2

+C

2

+2AB+2BC+2CA

⇒(4x

2

+y

2

+z

2

−4xz−2yz+4xz)

Answer 2

Answer:

(2x-3y+yz)²

(2x-3y+yz)(2x-3y+yz)

2x(2x-3y+yz)-3y(2x-3y+yz)+yz(2x-3y+yz)

4x²-6xy+2xyz-6xy+9y²-3y²z+2xyz-3y²z+y²z²

4x²-12xy+4xyz+9y²-6y²z+y²z²