Please help, due tomorrow

Answer:
[tex]4x^{2} + 2x - 5[/tex]
Step-by-step explanation:
[tex]2x^{2} - 2x - 5 -(-2x^{2} - 4x)[/tex]
[tex]2x^{2} - 2x - 5 +2x^{2} + 4x[/tex]
[tex](2x^{2} +2x^{2}) (-2x + 4x) - 5[/tex]
[tex]4x^{2} + 2x - 5[/tex]
Hope this helped <3
Answer:
[tex]4x^{2} +2x-5[/tex]
Step-by-step explanation:
hope this helps