Question

Can you solve this? If you know this answer comment it. Who answers correctly I will mark them brain list.

Answer 1

Answer is y^4 + y^2 + z^2

Step-by-step explanation

When you add exponents, both the exponents and variables should be alike. Only terms that have same variables and powers are added. So, you can’t add y^4 + y^2, they are not alike

Answer 2

y^{2} + 2^{2} + y^{4} = y^{4} + y^{2} + 4