Answer: 21points
Step-by-step explanation: 3 times 7 equals 21
Answer: The answer is 6n+7y
Step-by-step explanation: All you have to do is add like terms
Answer:

Step-by-step explanation:

The answer would be 620000
I always prefer factoring, if there are simple factors.
There are simple factors here.
x² + 11x + 18 = 0
(x + 2) (x + 9) = 0
The left side is zero if either factor is zero.
First factor:
x + 2 = 0
<u>x = -2</u>
Second factor:
x + 9 = 0
<u>x = -9 </u>