Answer: 8
Step-by-step explanation:
Given:
(5x^2-x-1)-(-3x^2-2x-5)
Rewrite:
(5x² -x -1) - (-3x² -2x -5)
Distribute the negative:
5x² -x -1 + 3x² +2x +5
Reorder terms:
5x² + 3x² -x +2x -1 +5
Combine like terms:
8x² + x + 4
The coefficient of the x² term is 8,
8x² + x + 4
