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Question

Use the Factor Theorem, to find all other zeros of f(x) = 2x³+4x² - 10x - 12 given that one of the zeros is 2.
Provide your answer below:

User Edepperson
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1 Answer

3 votes

Answer:

2,-3,-1

Explanation:

f(x)=2x³+4x²-10x-12

f(x)=2(x-2)(x+1)(x+3)

F.theo: if f(a)=0, (x-a) is a factor of f(x)

Therefore, (x-2)=0 (x+1)=0 (x+3)=0

The other zeros are x=2, x=-1 and x=-3

User Scott Robey
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