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slava [35]
3 years ago
7

What is the sum of the polynomials

Mathematics
2 answers:
marysya [2.9K]3 years ago
6 0
I think the answer is -4x^-11x+13
aksik [14]3 years ago
5 0
The first step for solving this expression is to remove the first set of parenthesis.
-x² <span>+ 9 + (-3x</span>² <span>- 11x + 4)
Now,, remember that when there is a "+"sign in front of the parenthesis,, then the parenthesis in the expression remains the same. This means that all you need to do for the second side of the expression is remove the parenthesis.
</span>-x² + 9 + -3x² - 11x + 4
<span>Collect the like terms that have an exponent of two.
-4x</span>² + 9 - 11x + 4
Add the regular numbers together.
-4x² + 13 - 11x
Lastly,, use the commutative property to reorder the terms and get your final answer.
-4x² - 11x + 13
Since we cannot simplify this expression down any further,, our final answer is going to be -4x² - 11x + 13 or option B.
Let me know if you have any further questions.
:)
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