Question

Find the sum and express it in simplest form.
(-3n³-3n²) + (8n³ + 6n² - 4)

Answer 1

= 5n³ + 3n² - 4

Explanation:

(-3n³-3n²) + (8n³ + 6n² - 4)

= -3n³-3n²+8n³+6n²-4

= -3n³+8n³-3n²+6n²-4

= 5n³+3n²-4.