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Black_prince [1.1K]
4 years ago
14

Why is the answer correct?​

Mathematics
2 answers:
Oksi-84 [34.3K]4 years ago
7 0

\bf x(2x+4x^2-5-3x)\implies x(\stackrel{\textit{like-terms}}{2x-3x}+4x^2-5)\implies x(-x+4x^2-5) \\\\\\ -x^2+4x^3-5x\implies \stackrel{\textit{general form}}{4x^3-x^2-5x}

labwork [276]4 years ago
5 0

Answer:

Here's what I get.

Step-by-step explanation:

x(2x + 4x² - 5 – 3x)

1. Distribute the x

2x² + 4x³ - 5x - 3x²

2. Combine like terms

4x³ - 5x – x²

3. Write the expression in order of descending powers of x

\boxed{\mathbf{4x^{3} - x^{2} - 5x}}

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