First, we will simplify the expression step by step.
Expanding (2.5x + 3)(4x - 1):
= 2.5x 4x + 2.5x (-1) + 3 4x + 3 (-1= 10x^2 - 2.5x + 12x - = 10x^2 + 9.5x - 3
Now, expanding -2.5x(4x + 2):
= -2.5x 4x - 2.5x = -10x^2 - 5x
Therefore, the complete simplified expression is:
10x^2 + 9.5x - 3 - 10x^2 - 5= 4.5x - 3
First, we will simplify the expression step by step.
Expanding (2.5x + 3)(4x - 1):
= 2.5x 4x + 2.5x (-1) + 3 4x + 3 (-1
= 10x^2 - 2.5x + 12x -
= 10x^2 + 9.5x - 3
Now, expanding -2.5x(4x + 2):
= -2.5x 4x - 2.5x
= -10x^2 - 5x
Therefore, the complete simplified expression is:
10x^2 + 9.5x - 3 - 10x^2 - 5
= 4.5x - 3