P=3x^2+2x-6
O=2x^2 - 2x + 10
Find P+O and O-P

Answer:
P+Q=5x²+4 and P-Q=x²+4x-16
Step-by-step explanation:
For P+Q
[tex]=3x^{2} +2x-6+2x^{2} -2x+10\\\\=5x^{2} +2x-2x-6+10\\\\=5x^{2} +4[/tex]
For P-Q
[tex]=3x^{2} +2x-6-(2x^{2} -2x+10)\\\\=3x^{2} +2x-6-2x^{2} +2x-10\\\\=x^{2} +4x-16[/tex]