Question

(4x3 + 7z– 9x – 3) - (-523 + 11x – 4)

Answer 1

4x^3 + 7z - 20x + 524.

Explanation:

(4x3 + 7z– 9x – 3) - (-523 + 11x – 4)

4x3 + 7z– 9x – 3 - (-523 + 11x – 4) Distribute the negative over the parentheses:

= 4x3 + 7z– 9x – 3 + 523 - 11x + 4

= 4x3 + 7z– 9x - 11x– 3 + 523 - 4

= 4x^3 + 7z - 20x + 524.

Answer 2

Look at the attached picture⤴

Hope it will help u...