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What are the real zeros of x3 + 4x2 − 9x − 36?
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Feb 4, 2017
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What are the real zeros of x3 + 4x2 − 9x − 36?
Mathematics
high-school
Kepkin
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Answer:
c. -4, -3, 3
Explanation:
Mortada
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Feb 7, 2017
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Mortada
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x3 + 4x2 -9x -36
[x3 + 4x2] -9 [ x+4]
take x2 common factor from first praket
x2[x+4] -9 [x+4]
= [x+4] *[x2 -9]
so the zeros of this equation are -4 , 3, -3
Ragesh Kr
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Feb 9, 2017
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Ragesh Kr
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