Question

(6z³ + 3z² - 4x + 8) - (4z²-3z + 2)

A. 6z-z²-z+6
B.
10z³ + 3z² - 4z + 10
C. 6z³-z² - 4z + 10
D. 10z³ +7z² - 4z+6
Which is equivalent

Answer 1

6z³ -z² - z + 6

Explanation:

By using the negative sign to open the bracket and collecting like terms, we have:

6z³ + 3z² - 4z + 8 - 4z² + 3z - 2 I'm guessing it suppose to be 4z and not 4x.

= 6z³ -z² - z + 6

Option A is correct.