Question

Simplify : 3(4x+3)+2x+3 ,if

x=2​

Answer 1

Answer:

3x(4x−5)+3=12x2−15x+3

x=3 gives the value 12(9)−15×3+3

                                          =108−45+3

                                          =66

Answer 2

Answer:

Value is 40

Step-by-step explanation:

x = 2

 3(4x + 3) + 2x + 3

=12x + 9 + 2x + 3

=14x + 12

=14.2 + 12               [Substituting the value of x i.e. x = 2]

=28 + 12

=40

Ans:- Value is 40