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Darya [45]
3 years ago
12

What is the result of (x^2 – 10x) – (–5x^2 + x)?

Mathematics
1 answer:
Tanzania [10]3 years ago
6 0

Answer:

( {x}^{2}  - 10x) - ( - 5 {x}^{2}  + x) \\  {x}^{2}  - 10x + 5 {x}^{2}  - x \\  \boxed{6 {x}^{2}  - 11x}

<h3>(6x²-11x) is the right answer.</h3>
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andrew-mc [135]

- 3x + 4y = 7 \\ y = 3x - 5

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<em>- 3x + 4 \times (3x - 5) = 7</em>

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<em>- 3x + 12x - 20 = 7</em>

  • <em>[</em><em>Collect</em><em> </em><em>like</em><em> </em><em>terms</em><em>]</em>

<em>9x - 20 = 7</em>

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<em>9x = 7 + 20</em>

  • <em>[</em><em>Add</em><em> </em><em>the</em><em> </em><em>numbers</em><em>]</em>

<em>9x = 27</em>

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<em>x = 3</em>

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<em>y = 3 \times 3 - 5</em>

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<em>y = 9 - 5</em>

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<em>y = 4</em>

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<em>(x,y)=(3,4)</em>

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Answer:

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Step-by-step explanation:

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