Question

find the vale of x = 1/2 in 3x(4x-5)+3

Answer 1

3(1/2)(4(1/2)-5)+3=3/2×-3+3=3/2

Answer 2

=3/2(2-5)+5
=3/1-15/2+5/1
=(6-15+10)/2
=1
hope it is helpful to you.....