Question

Subtract 7x² – 5x + 3 from 4x2 + 6x – 9.

Answer 1

3x^2+x-6 Option 2

Explanation:

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

Answer 2

choose last option

- 3x² + 11x - 12

Explanation:

7x² - 5x + 3 from 4x² + 6x - 9

= 4x² + 6x - 9 - ( 7x² - 5x + 3)

= 4x² + 6x - 9 - 7x² + 5x - 3

= - 3x² + 11x - 12