Factor the following expression by taking out the common factor:
$5\left(a+b\right)+v\left(a+b\right)$5(a+b)+v(a+b)
Factor the following expression by taking out the common factor:
$x\left(y-z\right)-w\left(y-z\right)$x(y−z)−w(y−z)
Fully factor $8x\left(2y+3w\right)-z\left(2y+3w\right)$8x(2y+3w)−z(2y+3w).
Factor the expression $\left(y+4\right)\left(y+7\right)+x\left(y+7\right)$(y+4)(y+7)+x(y+7).