1) x^2+2x-24
2) x^2+5x+6
Factors of the trinomial ?
2008-10-10 5:06 pm
回答 (2)
2008-10-10 5:32 pm
✔ 最佳答案
1)x^2 + 2x - 24
= x^2 + 6x - 4x - 24
= (x^2 + 6x) - (4x + 24)
= x(x + 6) - 4(x + 6)
= (x + 6)(x - 4)
2)
x^2 + 5x + 6
= x^2 + 3x + 2x + 6
= (x^2 + 3x) + (2x + 6)
= x(x + 3) + 2(x + 3)
= (x + 3)(x + 2)
2008-10-11 12:11 am
-24 = 6 * (-4)
(x+6)(x-4)
6 = 2 * 3
(x+2)(x+3)
(x+6)(x-4)
6 = 2 * 3
(x+2)(x+3)
收錄日期: 2021-05-01 11:22:12
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