Post a New Question

math

posted by .

how do i factor this
y=x to the power of 2 -2x-5?

thanks in advance!

  • math -

    y = x^2 - 2 x - 5

    That can not be factored with whole numbers

    try solving quadratic
    [ 2 +/- sqrt (4+20) ] /2

    = 1 +/- sqrt(6)
    so try
    (x - 1+sqrt6)(x - 1-sqrt(6))

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question