Question

Subtract (4a^2+b)-(a^2+b)

Answer 1

(4a^2 + b) - (a^2 + b)

4a^2 + b - a^2 - b

(4a^2 - a^2) + (b - b)

3a^2 + 0

3a^2

So, (4a^2 + b) - (a^2 + b) simplifies to 3a^2.