Answer:
choose last option
- 3x² + 11x - 12
Step-by-step explanation:
7x² - 5x + 3 from 4x² + 6x - 9
= 4x² + 6x - 9 - ( 7x² - 5x + 3)
= 4x² + 6x - 9 - 7x² + 5x - 3
= - 3x² + 11x - 12
3x^2+x-6 Option 2
7X^2-5X+3-4X^2+6X-9
Collect Like terms
3x^2-5x+3+6x-9
Collect like terms
3x^2+x+3-9
Calculate the difference
3x^2+x-6
