Write in expanded form (-3x+y+z)^2
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5
Answer:
-3×^2+y^2 + z^2 -3×y +yz -3×z
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22
Answer:
identity=(a+b+c)²=a²+b²+c²+2(ab+bc+ca)
(-3x)²+y²+z²+2(-3xy+yz-3zx)
9x²+y²+z²-6xy+2yz-6zx
Step-by-step explanation:
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