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Fed [463]
3 years ago
5

Polynomial Equation question(Screenshot included)

Mathematics
1 answer:
Illusion [34]3 years ago
6 0

y = {x}^{3}  - 4 {x}^{2}  - 45x \\ y = x( {x}^{2}  - 4x - 45) \\ y = x(x + 5)(x - 9) \\ x = 0, - 5,9
So, to find our x-intercepts, y must be zero
0 = x \\  \\ 0 = (x + 5) \\  - 5 = x \\  \\ 0 = (x - 9) \\ 9 = x
ANSWER: (0,0) (-5.0) (9,0) are your x-intercepts
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Step-by-step explanation:

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2 years ago
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FinnZ [79.3K]

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5 0
2 years ago
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seropon [69]

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3 0
1 year ago
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5 0
2 years ago
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evablogger [386]
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5 0
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