Answer:
6x^2+5x-6
Step-by-step explanation:
The answer is: -3y+9z
This is because you simply switch the sign for every number in the parentheses.
Hope this helps!
Answer:

Step-by-step explanation:
The midpoint of AB coordinates are:
where:

Answer:
b
Step-by-step explanation:
i had to do this one in class and this is what i had gotten
Answer:
<h3>x = -2 and 7</h3>
Step-by-step explanation:
- x^2 - 5x - 14 = 0
- x^2 - ( 7 - 2 )x - 14 = 0
- x^2 - 7x + 2x - 14 = 0
- x ( x - 7 ) + 2(x - 7) = 0
- (x + 2) (x - 7) = 0
- x = -2 and 7
<h3>Hope it helps !!</h3>