Simplify 3a^2+8a-4+(5a^2-4) - Math help

Math

$3 a^{2} + 8 a - 4 + (5 a^{2} - 4)$

Remove parentheses.

$3 a^{2} + 8 a - 4 + 5 a^{2} - 4$

Add $3 a^{2}$ and $5 a^{2}$ .

$8 a^{2} + 8 a - 4 - 4$

Subtract $4$ from $- 4$ .

$8 a^{2} + 8 a - 8$

Simplify 3a^2+8a-4+(5a^2-4)

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