Question

3x(4x-5)+3 where x=1÷2​

Answer 1

Answer:

3(1/2)x[4(1/2)-5]+3=0

Step-by-step explanation:

3/2 x 4/2-5 +3 =0

• 3/2 x -6/5 +3= 0
• -18/10 +3 =0
• -9/5 +3=0
• 6/5 = 0
• 6=5

Answer 2

Answer:

put x = 1/2. =. 0.5

3*0.5(4*0.5-5)+3

=3*0.5(-3)+3

=1.5(-3)+3

= -4.5+3

=. -1.5