Question

expand using identities
(-2x + 3y + 2z^2) ​

Answer 1

Answer:

^2=a^2+b^2+c^2+2ab+2bc+2ac, (-2x+3y+2z) ^2=(-2x) ^2+(3y) ^2+(2z) ^2+2(-2x) (3y) +2(3y) (2z) +2(-2x) (2z) =4x^2+9y^2+4z-12xy+12yz-8xz. It is used to calculate the whole square that has combine with terms to expand it for having right answered it.

Step-by-step explanation:

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