chosse the simplest soulution to: 2x (sq)2 -3x-5=0?

0 ⤊

a) 3+_ -31
______
4

b) -3+_ 7
______
7

c) 3+_7
_____
2

D) -1, 2 1/2

2007-04-16 09:04:58 · 3 answers · asked by jonathan w 1 in Science & Mathematics ➔ Mathematics

2x² - 3x - 5 = 0

Factor by grouping

2x²+ 2x - 5x - 5 = 0

2x(x + 1) - 5(x + 1) = 0

(2x - 5)(x + 1)

- - - - - - s-

2007-04-16 09:44:35 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋

carrot symbol ^ represents raise to the power of
I'm assuming your equation is 2x^2-3x-5=0 factor
(2x-5)(x+1) s0 x=5/2 or -1 D

2007-04-16 16:16:26 · answer #2 · answered by dwinbaycity 5 · 0⤊ 0⤋

it factors to (2x-5)(x+1), so the answer is d

2007-04-16 16:11:15 · answer #3 · answered by Shredded Cottage Cheese 6 · 0⤊ 0⤋