Mathematics
Junior High
Resolved

この2は-10と9にかけてやるのでしょうか?

27²+27-180=0 20 tn-1010 ② (n+10)(n-9)-0 n=-10, q

Answers

✨ Best Answer ✨

掛けません☀️
両辺を2で割ればなくなります🌈

只只数弱

ありがとうございます!

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