Simplify (11h+8h^2)-(3h^2-9+9h)

$(11 h + 8 h^{2}) - (3 h^{2} - 9 + 9 h)$

Simplify each term.

Apply the distributive property.

$11 h + 8 h^{2} - (3 h^{2}) - - 9 - (9 h)$

Simplify.

Multiply $3$ by $- 1$ .

$11 h + 8 h^{2} - 3 h^{2} - - 9 - (9 h)$

Multiply $- 1$ by $- 9$ .

$11 h + 8 h^{2} - 3 h^{2} + 9 - (9 h)$

Multiply $9$ by $- 1$ .

$11 h + 8 h^{2} - 3 h^{2} + 9 - 9 h$

$11 h + 8 h^{2} - 3 h^{2} + 9 - 9 h$

$11 h + 8 h^{2} - 3 h^{2} + 9 - 9 h$

Simplify by adding terms.

Subtract $9 h$ from $11 h$ .

$8 h^{2} - 3 h^{2} + 9 + 2 h$

Subtract $3 h^{2}$ from $8 h^{2}$ .

$5 h^{2} + 9 + 2 h$

Move $9$ .

$5 h^{2} + 2 h + 9$

$5 h^{2} + 2 h + 9$

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