Select the difference of (8x2 - 5x3) - (4x2 - 9x3).

Question

Select the difference of (8x2 - 5x3) - (4x2 - 9x3).

8x6

8x5

4x2 - 14x3

4x2 + 4x3

Answer 1

(8x² - 5x³) - (4x² - 9x³)

 

Simplify signs:

 

8x² - 5x³ - 4x² + 9x³

 

Combine like terms:

 

(8x² - 4x²) + (9x³ - 5x³)

 

4x² + 4x³