The subtraction of the polynomial is -5x² - 13x + 11
How to subtract polynomial?
The following steps can be taken to subtract the polynomial.
(-2x² - 8x + 5) - (3x² + 5x - 6)
Firstly, we change the sign of every terms in the second parenthesis.
Therefore,
-2x² - 8x + 5 - 3x² - 5x + 6
Then, we change the subtraction sign into an addition sign.
-2x² - 8x + 5 + (- 3x² - 5x + 6)
Then, combine the like terms
-2x² - 8x + 5 - 3x² - 5x + 6
-2x² - 3x² - 8x - 5x + 5 + 6
Put answer in standard form
-5x² - 13x + 11
learn more on polynomial here: https://brainly.com/question/9165135
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