Mathematics
Senior High
Solved
数1平方完成の問題です。
解説が付いておらず、自力で解き直しが出来なかったので教えていただけると助かります🙇♀️
11
11
=
2
- 2 x² - 8 x - 10
=-2 (x² + 4x) - 10
-
- 2 { ( x + 2 ) 2-167-10
2 ( x + 2)² + 32-10
- 2 (x + 2)² +22
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