Expand (5x - 3y +2z)² solve this by using algebric identities pls help
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Step-by-step explanation:
(5x)²+(-3y)²+(2z)²+2(5x)(-3y)+2(-3y)(2z)+2(2z)(5x)
25x²+9y²+4z²-30xy-12yz+20zx
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