factor fully?

0 ⤊

1. 16x square -9
2. a square-6a+9
3. n square-11n+28

2006-12-01 07:18:17 · 3 answers · asked by guyana_bhai_2003 1 in Science & Mathematics ➔ Mathematics

1. 16x^2 - 9 = (4x + 3) (4x - 3)

2. a^2 - 6a + 9 = (a - 3) (a - 3)

3. n^2 - 11n + 28 = (n - 7) (n - 4)

2006-12-01 07:30:52 · answer #1 · answered by rush 2 · 0⤊ 0⤋

1. 16x square -9
(4x-3)(4x+3)

2. a square-6a+9
(a-6)(a-3)

3. n square-11n+28
(n-7)(n-4)

2006-12-01 15:28:06 · answer #2 · answered by yupchagee 7 · 0⤊ 0⤋

16xÂ² - 9

(4x+3)(4x - 3)

- - - - - - - - - -

aÂ² - 11 + 9

(a - 3)(a - 3)

- - - - - - - - -

nÂ² - 11 + 28

(n - 7)(n - 4)

- - - - - -- - s-

2006-12-01 15:41:26 · answer #3 · answered by SAMUEL D 7 · 0⤊ 0⤋