High School

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Combine like terms:

\(-2x^4 + 16 + 2x^4 + 9 - 3x^5\)

Answer :

Answer:

See below.

Step-by-step explanation:

[tex]-2x^4+16+2x^4+9-3x^5[/tex]

A helpful thing to do is to rearrange them in descending order:

[tex]=-3x^5-2x^4+2x^4+16+9[/tex]

We can see that the second and third term cancel. The fourth and fifth term are able to be added:

[tex]-3x^5+25[/tex]

Note: If you're confused on why [tex]-2x^4+2x^4[/tex] cancel, use the distributive property:

[tex]-2x^4+2x^4=x^4(-2+2)=x^4(0)=0[/tex]

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Rewritten by : Barada

Answer:

16 - 3x5

Step-by-step explanation:

In the expression -2x4+16+2x4+9-3x5

-2x4 will eliminate +2x4 so we have 16 - 3x5 these two are not like terms so we can't add or subtract them