Question

algebra 1/II question!! I need to factor this: 4y2-5y-4

Answer 1

you cant

Answer 2

use quadratic formula

Answer 3

http://www.purplemath.com/modules/quadform.htm

Answer 4

\[x=-b \pm \sqrt{b^2-4ac}/2a\]

Answer 5

4y^2-5y-4
Use quadratic formula

y = (-(-5)±sqrt((-5)^2-4(4)(-4)))/2(4)
=(5±sqrt(25+64)/8
=(5±sqrt(89)/8
Source: http://www.mathskey.com/question2answer/