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ProfessorAlvarez

[tex]\text{Hello there!}\\ \\ \text{In this question, you need to simplify by adding like terms}\\ \\\text{Both terms are}\,\,b^4,\,\,\text{in which you can combine them}\\\\-23b^4+(-7b^4)\\\\\text{Add them}\\\\-30b^4\\\\\large\boxed{-30b^4}[/tex]
The answer is -16b^4

-23b^4-7b^4= -30^4
And simplified it is -16b^4

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