Simplify 7x+1+7-4x+4y^2+2x-4y^2

$7 x + 1 + 7 - 4 x + 4 y^{2} + 2 x - 4 y^{2}$

Combine the opposite terms in $7 x + 1 + 7 - 4 x + 4 y^{2} + 2 x - 4 y^{2}$ .

Subtract $4 y^{2}$ from $4 y^{2}$ .

$7 x + 1 + 7 - 4 x + 2 x + 0$

Add $7 x + 1 + 7 - 4 x + 2 x$ and $0$ .

$7 x + 1 + 7 - 4 x + 2 x$

Subtract $4 x$ from $7 x$ .

$3 x + 1 + 7 + 2 x$

Add $3 x$ and $2 x$ .

$5 x + 1 + 7$

Add $1$ and $7$ .

$5 x + 8$