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ziro4ka [17]
3 years ago
7

X^2 -18x +81=0 factor it

Mathematics
1 answer:
nasty-shy [4]3 years ago
6 0

Answer:

x=9

Step-by-step explanation:

81 is the product of -9 & -9. -9-9=-18. Therefore, (x-9)^2=0, and you get that x=9.

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