Question

Expand the following
( x - 2y + 3z) ki power 2​

Answer 1

Answer:

Step-by-step explanation:

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

x^2 +(-2y)^2 +(3z)^2 +(2×x×_2y) +(2×_2y×3z) +(2×3z×x)

=x^2+4y^2+9z^2_4xy -12yz+6xz

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By:Tolety Roshan

Answer 2

Step-by-step explanation:

(x-2y+3z)^2

we use the identity that is

(x+y+z)^2=x^2+y^2+z^2+2xy+2yz+2zx

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

= x^2+4y^2+9z^2-4xy-12yz+6xz.

I think u Understand the answer.