Respuesta :
Answer:
5x² - 13x + 71
Step-by-step explanation:
We are to subtract 3x²+7x-43 from 8x²-6x+28
That is:
8x² - 6x + 28 - (3x² + 7x - 43)
8x² - 6x + 28 - 3x² - 7x + 43
Collect like terms:
8x² - 3x² - 6x - 7x + 28 + 43
5x² - 13x + 71
Answer:
5x² - 13x + 71
Step-by-step explanation:
We are to subtract 3x²+7x-43 from 8x²-6x+28
That is:
8x² - 6x + 28 - (3x² + 7x - 43)
8x² - 6x + 28 - 3x² - 7x + 43
Collect like terms:
8x² - 3x² - 6x - 7x + 28 + 43
5x² - 13x + 71