The difference is - 6.3 x + 1.7.
Given
The difference of (Negative 3. 4 x 4. 7) minus (3 2. 9 x).
To determine the difference between the numbers subtract one number from another number.
To determine the difference follow all the steps given below.
Therefore
[tex]\rm (-3.4 x + 4.7) -(3 + 2.9 x)\\\\-3.4x+4.7-3-2.9x\\\\-6.3x +1.7[/tex]
Hence, the difference is - 6.3 x + 1.7.
To know more about Subtraction click the link given below.
https://brainly.com/question/16844019