aroyalstudent aroyalstudent

06-09-2019
Mathematics

contestada

question in the attached Algebra 2

which shows one way to determine the factors of the expression by GROUPING

x^3 - 9x^2 + 5x - 45

question in the attached Algebra 2 which shows one way to determine the factors of the expression by GROUPING x3 9x2 5x 45 class=

Respuesta :

jimrgrant1 jimrgrant1

06-09-2019

Answer:

A

Step-by-step explanation:

Given

x³ - 9x² + 5x - 45

Factor the first/second and third/fourth terms, that is

= x²(x - 9) + 5(x - 9) ← factor out (x - 9) from each term

= (x - 9)(x² + 5) = (x² + 5)(x - 9) → A

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