simplify (x^2+y^2+1)+(x^2+y^2-1)+(x^2-y^2+1)+(y^2+1-'x^2)
Answers
Answered by
0
Step-by-step explanation:
the answer is
2(x^2+y^2+1)
Attachments:
Similar questions
Social Sciences,
1 month ago
Physics,
1 month ago
Social Sciences,
1 month ago
Math,
3 months ago
Physics,
8 months ago
History,
8 months ago
Math,
8 months ago