Question

expand (2x+y+4z)square
plz give amswer fast
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Answer 1

Step-by-step explanation:

We solve the given expression (2x+3y+4z)2 as shown below:

(2x+3y+4z)2

=(2x)2+(3y)2+(4z)2+(2×2x×3y)+(2×3y×4z)+(2×4z×2x)

(∵(a+b+c)2=a2+b2+c2+2ab+2bc+2ca)

=4x2+9y2+16z2+12xy+24yz+16zx

Hence, (2x+3y+4z)2=4x2+9y2+16z2+12xy+24yz+16zx.

Answer 2

Answer:

Step-by-step explanation:

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