解答

✨ 最佳解答 ✨

35.
令 335 = x,則原式
= 6x^2 - 31x + 35
= (2x - 7)(3x - 5)
= (2 × 335 - 7)(3 × 335 - 5)
= 663 × 1000
= 663000

37.
9x^4 - 35x^2 - 4
= (9x^2 + 1)(x^2 - 4)
= (9x^2 + 1)(x + 2)(x - 2)

40.
(2)
12x^2 + 160x - 27
= (2x + 27)(6x - 1)

留言
您的問題解決了嗎?