Example 10 If x=-1 then find the value of 81×2 – 18x+1. ? A Objec 1 Write Ti the​

Question

Example 10
If x=-1 then find the value of 81×2 – 18x+1.
? A Objec
1
Write Ti
the​

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Lydia 1 month 2021-08-14T08:19:25+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-08-14T08:21:09+00:00

    Answer:

    100

    Step-by-step explanation:

    (9x)^2-2×9x×1+(1)^2

    = (9x-1)^2

    = (-9-1)^2

    = (-10)^2

    = 100

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