✨ Best Answer ✨
8x^2-18
=2(4x^2-9)
=2(2x-3)(2x+3)
共通因数の2でくくる
⇒a^2-b^2の形になっているので(a-b)(a+b)の形にする
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✨ Best Answer ✨
8x^2-18
=2(4x^2-9)
=2(2x-3)(2x+3)
共通因数の2でくくる
⇒a^2-b^2の形になっているので(a-b)(a+b)の形にする
Users viewing this question
are also looking at these questions 😉
助かりました🙏