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ki77a [65]
4 years ago
5

Use FOIL!!!!!! plz help!!!

Mathematics
2 answers:
saul85 [17]4 years ago
3 0
The last one is the answer.
makkiz [27]4 years ago
3 0
(b+3)(b-9)

F: b^2
O: -9b
I: +3b
L: -27

so
b^2 -9b +3b -27
=b^2 -6b  -27

answer b^2 -6b  -27 (last choice)
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Answer:

Factored form is

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Step-by-step explanation:

Given that  

f(x)=x3−7x2+2x+4

To solve for x  we factorise the right side

f(x)=x3−7x2+2x+4

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Do synthetic division to find the quotient

1       1    -7    2    4

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       ----------------------

        1    -6    -4   0

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x^2-6x-4

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x^2-6x-4

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Are the roots

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f(x)= (x-1)(x-3+√(-5))(x-3-√(-5))


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