Mathematics
Junior High
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なんで-10√3にならないんですか?

(3) (√3+2) (√3-5) 64=(√3)'+{2+(-5)}√3+2×(-5) =3-33-10 7-33 (岡山) 2 -7-3√3

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✨ Best Answer ✨

➖7√3➖3√3または➖(7➖3√3)ならば➖10√3だが、
今回は➖7だから🙇

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