Answer:
-14x² - x + 4
Explanation:
(-10x² + 5x - 3) - (4x² + 6x - 7)
= (-10x² + 5x - 3) - (+4x²) - (+6x) - (-7)
= (-10x² + 5x - 3) -4x² -6x +7
= -10x²-4x² +5x-6x -3+7
= -14x² - x + 4
1.6m questions
2.0m answers