Question

verify that x= 4 is a root of equation 2x-3=5

Answer 1

2*4_3=5
8-3 =5
hence prove

Answer 2

To verify that x=4 is a zero of the equation 2x-3=5 we have to put the value of x in the equation.
2x-3=5
2x-3-5=0
2(4)-3-5=0
8-8=0
0=0
Hence x=4 id a zero of the polynomial