(-x+y+2z)^2 expand this
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Answered by
9
Answer:
x2+y2+4z2-2xy-4zx+4zy
Step-by-step explanation:
= (-x+y+2z)(-x+y+2z)
= -x( -x+y+2z )+y(-x+y+2z)+2z(-x+y+2z)
= +x2-xy-2xz-yx+y2+2yz-2zx+2zy+4z2
= x2+y2+4z2-2xy-4zx+4zy
Answered by
2
Answer:x^2+y^2+4z^2-2xy+4yz-4zx
Step-by-step explanation:This is correct answer
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