Expand each of the following , using suitable identities.
`(3a-7b-c)^(2)`

Expand each of the following , using suitable identities. (a/4-b/2+1)^2

Expand each of the following , using suitable identities. (-2x+5y-3z)^(2)

Expand each of the following , using suitable identities. (-2x+3y+2z)^(2)

Expand each of the following, using suitable identities (-2a + 5b - 3c) ^(2)

Expand each of the following , using suitable identities. (2x-y+z)^(2)

Expand each of the following using suitable identities : (-2x+5y-3z)^(2)

Expand each of the following , using suitable identities. (x+2y+4z)^(2)

Expand each of the following, using suitable identities : (i) (x+2y+4z)^(2) (ii) (2x-y+z)^(2) (iii) (-2x+3y+2z)^(2) (iv) (3a-7b-c)^(2) (v) (-2x+5y-3z)^(2) (vi) [(1)/(4)a-(1)/(2)b+1]^(2)

Expand the following using suitable Identities : (3a-7b-c)^2 .