Fully factorise: $5\left(a+b\right)+v\left(a+b\right)$5(a+b)+v(a+b)
Fully factorise: $x\left(y-z\right)-w\left(y-z\right)$x(y−z)−w(y−z)
Fully factorise: $5y\left(4w+3x\right)-z\left(4w+3x\right)$5y(4w+3x)−z(4w+3x)
Fully factorise: $2y\left(2x^2+3z\right)-\left(2x^2+3z\right)$2y(2x2+3z)−(2x2+3z)