2 years ago

What is the sum of the polynomials? (7x^3 – 4x^2) + (2x^3 – 4x^2)

1 answer:

6 0

(7x^3 – 4x^2) + (2x^3 – 4x^2)
Add 2x^3 to 7x^3
(9x^3 - 4x^2) + (-4x^2)
Add -4x^2 to -4x^2. This would be the same as subtracting 4x^2 from -4x^2
Final Answer: 9x^3 - 8x^2

*The answer cannot be broken down anymore. It's in it's simplest form.

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Leviafan [203]

Answer:

I think the answer is 12 (sorry if i misunderstood the question)

Step-by-step explanation:

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Step-by-step explanation:

Given

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Required

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$^nP_r = \frac{n!}{(n-r)!}$

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$^7P_4 = 7 * 6 * 5 * 4$

$^7P_4 = 840$

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2 years ago

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Hey there!

Andrea makes 20% more than Cassidy.

Work:

10 x 0.20 = 2

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So that proves it is 20%.

Hope this helps!

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