2007-08-28 10:46:02 · 9 answers · asked by kellyann 1 in Science & Mathematics ➔ Mathematics
2a^2-5a-3
2a^2-6a+a-3
2a(a-3)+1(a-3)
(2a+1)(a-3)
2007-08-28 10:50:14 · answer #1 · answered by lexi 3 · 0⤊ 0⤋
factors: 2a² - 5a + 3 = 0 a² - 5/4a = - 3/2 + (- 5/4)² a² - 5/4a = - 24/sixteen + 25/sixteen (a - 5/4)² = a million/sixteen a - 5/4 = +/- a million/4 = a - 5/4 - a million/4, = a - 6/4, = a - 3/2, = 2a - 3 = a - 5/4 + a million/4, = a - 4/4, = a - a million answer: (2a - 3)(a - a million) Values of a: 2a - 3 = 0, 2a = 3, a = 3/2 a - a million = 0, a = a million answer: a = 3/2, a million
2016-11-13 19:13:28 · answer #2 · answered by valderrama 4 · 0⤊ 0⤋
2
2007-08-28 10:53:33 · answer #3 · answered by THE"IS" 6 · 0⤊ 1⤋
Problem restated correctly:
2a^2 - 5a + 3 = 0
(2a - 3)(a - 1) = 0
Either: 2a - 3 = 0
Then: 2a = 3, a = 3/2
Or: a - 1 = 0
Then: a = 1
Substitute:
Proof: 2 - 5 + 3 = 0
And: 2(3/2)^2 - 5(3/2) + 3
Proof: 4.5 - 7.5 + 3 = 0
2007-08-28 10:58:44 · answer #4 · answered by Robert S 7 · 0⤊ 0⤋
2a^2 - 5a +3
(2a -3)(a - 1)
2007-08-28 10:50:52 · answer #5 · answered by CPUcate 6 · 1⤊ 0⤋
You mean factor?
(a - 1)(2a - 3)
2007-08-28 10:50:13 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Where's the "equals" sign?
2007-08-28 10:50:36 · answer #7 · answered by Ella 3 · 0⤊ 1⤋
2a^2-5a+3=0
2a^2-2a-3a+3=0
2a(a-1)-3(a-1=0
(a-1)(2a-3)=0
a=1,3/2.ANS
2007-08-28 10:56:34 · answer #8 · answered by Anonymous · 0⤊ 1⤋
the answer is quite simple........... 1!!!!! duh even I could figure THAT out!!!!!!!!!!
2007-08-28 10:49:47 · answer #9 · answered by Anonymous · 0⤊ 4⤋