-4a^2+8a-4 factor?

1 ⤊

2007-06-28 14:07:06 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

5 answers

-4(a^2 - 2a - 1)
-4(a-1)^2

2007-06-28 14:11:42 · answer #1 · answered by Anonymous · 1⤊ 0⤋

-4a^2 + 8a - 4

factor out -4
-4(a^2 - 2a + 1)

look for two numbers that multiply to 1 and add to -2

the two numbers are -1 an -1

-4 (a - 1) (a - 1)

or -4(a-1)^2

2007-06-28 21:10:20 · answer #2 · answered by 7 · 0⤊ 0⤋

-4a^2 + 8a - 4
= -4(a^2 - 2a + 1)
= -4(a-1)(a-1)
= -4(a-1)^2

2007-06-28 21:10:47 · answer #3 · answered by Kemmy 6 · 0⤊ 0⤋

-4(a-1)^2

2007-06-28 21:10:51 · answer #4 · answered by ntsoaE 2 · 0⤊ 0⤋

= (-4).(a Â² - 2a + 1)
= (-4).(a - 1).(a - 1)
= (-4).(a - 1) Â²

2007-07-02 12:09:31 · answer #5 · answered by Como 7 · 0⤊ 0⤋