Use the following method :Xnx Xm=Xn+mexplained using worked solution:what is X3 x X4=Firstly write X3 and X4 individually X3= X x X x X X4= X x X x X x X X3 x X4= X x X x X x X x X x X x XTherefore X3 x X4= X7essentially 3+4=7It should be noted that the base value must be the same ( X value)