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krystinayagel013
30.11.2020 •
Mathematics
Khan Academy
Factor using polynomial division
The polynomial p(x) = x3 + 7x2 – 36 has a known factor of (x + 3).
Rewrite p(x) as a product of linear factors.
p(x)=
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Ответ:
p(x) as a product of linear factors.![p(x)=(x+3)(x-2)(x+6)](/tpl/images/0933/1085/a6bbf.png)
Step-by-step explanation:
(x+3) is the factor of polynomial![p(x) = x^3 + 7x^2 - 36](/tpl/images/0933/1085/039eb.png)
So, we can divide
by (x+3) to find other factors
The division is shown in figure attached.
The quotient is: x^2+4x-12
Now factoring the quotient to find linear factors
The factors are![(x+3)(x-2)(x+6)](/tpl/images/0933/1085/52d1b.png)
So, p(x) as a product of linear factors.![p(x)=(x+3)(x-2)(x+6)](/tpl/images/0933/1085/a6bbf.png)
Ответ: