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Shkiper50 [21]
2 years ago
9

What is (f*g)(x)? f(x)=x^4-9, g(x)=x^3+9

Mathematics
1 answer:
sladkih [1.3K]2 years ago
3 0
(x^4 - 9)(x^3 + 9)
This is a binomial * binomial. Use the FOIL method for multiplying.
First, outer, inner, last.
x^4 * x^3 = x^7
x°^4 * 9 = 9x^4
-9 * x^3 = -9 x^3
-9 * 9 = -81
Putting it back together.
x^7 +9x^4 -9x^3 - 81
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Answer:

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Step-by-step explanation:

given data

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solution

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d -18

and

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so it can express as

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