Calculate: (2+v)(2v-5)=0

Expression: $(2+v)(2v-5)=0$

Using the Zero Factor Principle:\quad If $ ab=0 $then $ a=0 $or $ b=0$

$2+v=0\lor 2v-5=0$

The solutions to the quadratic equation are:

$v=-2,v=\frac{5}{2}$