Evaluate (3g^2-g)+(3g^2-8g+4)

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

Step 1

Remove parentheses.

$3 g^{2} - g + 3 g^{2} - 8 g + 4$

Step 2

Add $3 g^{2}$ and $3 g^{2}$ .

$6 g^{2} - g - 8 g + 4$

Step 3

Subtract $8 g$ from $- g$ .

$6 g^{2} - 9 g + 4$