Simplify (6b^3+2b^4)+(8b^4+2b-6b^3)

$(6 b^{3} + 2 b^{4}) + (8 b^{4} + 2 b - 6 b^{3})$

Remove parentheses.

$6 b^{3} + 2 b^{4} + 8 b^{4} + 2 b - 6 b^{3}$

Combine the opposite terms in $6 b^{3} + 2 b^{4} + 8 b^{4} + 2 b - 6 b^{3}$ .

Subtract $6 b^{3}$ from $6 b^{3}$ .

$2 b^{4} + 8 b^{4} + 2 b + 0$

Add $2 b^{4} + 8 b^{4} + 2 b$ and $0$ .

$2 b^{4} + 8 b^{4} + 2 b$

Add $2 b^{4}$ and $8 b^{4}$ .

$10 b^{4} + 2 b$