Plz friends answer it fast .....
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Step-by-step explanation:
(2x+4y+3z)²
2x²+4y²+3z²+2(2)(4) - 2(4)(3) - 2(3)(2)
2x²+4y²+3z²+2(8)-2(12)-2(6)
2x²+4y²+3z²+16-24-12
2x²+4y²+3z²-20
[this is done using (x+y+z)² identity]
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please make me the brainliest
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