mismhan01
15.07.2019 •
Mathematics
Hey guys, i need your this is confusing me.
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Ответ:
Correct:
x^2 - 18x + 81
= (x - 9)^2
= (x - 9)(x - 9)
Answer
A. The answer is incorrect; the plus sign should be a minus sign.
Ответ: