Factor 4x^2 - 20x + 25. Select the answer.?

3 ⤊

Factor 4x^2 - 20x + 25. Select the answer.

2x-5
(2x-5)^2
(2x+5)^2
2x+5
none of these

2007-12-18 07:25:23 · 4 answers · asked by Sam o 1 in Science & Mathematics ➔ Mathematics

4x² - 20x + 25
= (2x)² - 5(2x) + 5²
= (2x - 5)²

.,.,.,

2007-12-21 22:40:57 · answer #1 · answered by The Wolf 6 · 1⤊ 1⤋

Of course the answer is: (2x-5)^2

2007-12-18 07:30:01 · answer #2 · answered by Appolon 2 · 0⤊ 0⤋

4x^2 -- 20x + 25
= 4x^2 -- 10x -- 10x + 25
= 2x(2x -- 5) -- 5(2x -- 5)
= (2x -- 5)(2x -- 5)
= (2x -- 5)^2 the second one.

2007-12-18 07:32:15 · answer #3 · answered by sv 7 · 0⤊ 0⤋

( 2x - 5 ) ( 2x - 5 ) = ( 2x - 5 ) Â²

2007-12-21 21:27:22 · answer #4 · answered by Como 7 · 2⤊ 0⤋