Respuesta :

bhuvna789456

The solution is 10x² + 7x - 1

Step-by-step explanation:

  • Step 1: Subtract -2x² + 3x - 9 from 8x² + 10x - 10

(8x² + 10x - 10) - (-2x² + 3x - 9) = 8x² + 10x - 10 + 2x² - 3x + 9

                                                 = 10x² + 7x - 1

suman4720

Step-by-step explanation:

[tex]\huge\bold\purple{ 10x^2+7x-1 }[/tex]