Answer :

Answer:

2x^2-6x^4-2

Step-by-step explanation:

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Rewritten by : Barada

Answer:

Remove parentheses.

−7x²−3[tex]x^{4}[/tex]−5−3[tex]x^{4}[/tex]+3+9x²

Add −7x² and 9x² .

2x²−3[tex]x^{4}[/tex]−5−3[tex]x^{4}[/tex]+3

Subtract 3[tex]x^{4}[/tex] from −3[tex]x^{4}[/tex].

2x²−6[tex]x^{4}[/tex]−5+3

Add −5 and 3.

2x²−6[tex]x^{4}[/tex]−2

Step-by-step explanation: