Answer:
-3a^3 + 2a.
Step-by-step explanation:
21a3 − 14a / -7
= 21a^3 / -7 - 14a / -7
= -3a^3 + 2a.
I believe it's c. it's the only reasonable answer.
Z = z u need numbers or something if z is supposed to be a number
<h2>Answer:</h2><h2>x = 9</h2><h2 /><h2>Hope this helps!!!</h2>
2 - z/3 = 12
Subtract 2 to both sides:
-z/3 = 10
Multiply 3 to both sides:
-z = 30
Multiply -1 to both sides:
z = -30
