please answer fast..........
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ameeramohammedalansa:
cant u do it man
it is so easy
but the answering box is not showing up 4 me
ok
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Answer:
The ans is 4.
Step-by-step explanation:
x=1,y=2,z= -1
=>9×1²+2²+(-1)²-6×1×2+2×2×(-1)-6×1×(-1)
=>9+4+1-12-4+6
=>20-16
=>4
Hope it'll help you.
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