Question

(-2x+3y+2z)²
expand each of the following using suitable identities
​

Answer 1

Answer:

(2x+3y+2z)^2

[a+b+c]^2=a^2+b^2+c^2+2ab+2bc+2ca

(2x+3y+2z)^2=(2x)^2+(3y)^2+(2z)^2+2×2x×3y  

+2×3y×2z+2×2z×2x

=4x^2+9y^2+4z^2+12xy+12yz+8zx

Step-by-step explanation: