Expand the following, using suitable identities: 1)(−2x+3y+2z)2 2)(−2x+5y−3z)2. [4 MARKS]

Expand the following, using suitable identities: 1)(−2x+3y+2z)2 2)(�

1.	Expand the following, using suitable identities: 1)(−2x+3y+2z)2 2)(−2x+5y−3z)2. [4 MARKS]
Answer» Expand the following, using suitable identities: $1) {(- 2 x + 3 y + 2 z)}^{2}$ $2) {(- 2 x + 5 y - 3 z)}^{2}$ . [4 MARKS]