Question

simplify 3x(4x-5)+3 and find its value for x=3 x=1/2

Answer 1

Answer:

3x(4x-5)+3=12x^2-15x+3

putting x=3

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

108-45+3=63+3

69

putting x=1/2

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

12(1/4)-15/2+3

3/1-15/2+3

6-15/2

taking LCM

12-15/2

-3/2

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Answer 2

Answer:

hey user kindly refer to the attachment here is ur answer

Step-by-step explanation:

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