Write+in+expanded+form+(-3x+y+z)^2
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the answer for the given problem is given
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Step-by-step explanation:
(a+b+c)² = a²+b²+c²+2ab+2bc+2ca
(-3x+y+z)²= (-3x)²+y²+z²+ 2×-3x×y +2×y×z +2×z×-3x
= 9x² + y² +z² - 6xy + 2yz - 6zx
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