Question
For the polynomial below, 2 is a zero.
Express
as a product of linear factors.
(
Ask by Christensen Mullins. in the United States
Mar 29,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The polynomial can be expressed as
.
Solution
Since 2 is a zero of the polynomial
, we can use synthetic division to divide the polynomial by
.
Factor the expression by following steps:
Factor the expression by following steps:
- step0: Factor:
- step1: Calculate:
- step2: Rewrite the expression:
- step3: Factor the expression:
- step4: Factor the expression:
After performing synthetic division, we have. Now, we need to factor the quadratic .
The quadraticdoes not factor nicely into real linear factors, as its discriminant is negative. Therefore, we will express it in its current form.
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Bonus Knowledge
To express
as a product of linear factors, we begin by using synthetic division with the zero
. Dividing
by
gives us
.
Next, we need to factor the quadratic
. The roots can be found using the quadratic formula
, leading to complex roots. The expression becomes
. Thus,
.