Question

Add -5x2 −3x + 4 and 2x2 – 7x – 2y + 5.
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Answer 1

Answer:

-3x^2-10x-2y+9

Step-by-step explanation:

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Answer 2

Answer:

-3x² - 10x - 2y + 9.

Step-by-step explanation:

We've to add;

$- 5x {}^{2} - 3x + 4 \: and \: 2x {}^{2} - 7x - 2y + 5 \\ - 5x {}^{2} - 3x + 4 + 2x {}^{2} - 7x - 2y + 5 \\ - 5x {}^{2} + 2x {}^{2} - 3x - 7x - 2y + 4 + 5 \\ = > - 3x {}^{2} - 10x - 2y + 9$

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