Math, asked by kritikaj916, 7 months ago

Simplify: 3x( 4x-5)+3 and hence find its value when x= 1 & x=3​

Answers

Answered by adithyan372085
1

Answer:

3x(4x-5)+3

=12x^2 -15x +3

Step-by-step explanation:

when x=1

12(1)^2 -15(1) +3

12-15+3

=0

when X =3

12(3)^2 -15(3) +3

72-45+3

=30

Answered by prerak2071
1

Answer: 24

Step-by-step explanation:

3x( 4x -5) +3          [x is 1 and x is 3] so, IF 1st x is 1 and 2nd x is 3

then, 3*1  [ (4*3) -5] +3

3[12-5] +3

[36-15] + 3

21 + 3

24 is the answer

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