meliannanderson meliannanderson

07-05-2017
Mathematics

contestada

Find the value of the greater root of x2 - 6x + 5 = 0 A) -5 B)-1 C)1 D)5

Respuesta :

07-05-2017

2x-6x+5=0
-4x+5=0
-4x=-5

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egoodrich1337 egoodrich1337

07-05-2017

Let's factor first:

x^2 - 6x + 5 = 0

Take factors of 5 that add to -6. In this case, -5 and -1.

These will be used in your binomials:

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

Solve each value:

x - 5 = 0
x = 5

x - 1 = 0
x = 1

The largest x is equal to 5.

Answer Link

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