Answer:
https://www.lessonplanet.com/teachers/factoring-and-solving-quadratics-by-factoring?msclkid=d23ce8d1fcfe1c7155d4b5147d5d97ff&utm_source=bing&utm_medium=cpc&utm_campaign=DSA%20-%202019%20(WS)&utm_term=lessonplanet&utm_content=All%20Webpages
Step-by-step explanation:
there is our answer
Since we have 2 numbers, we'll be square rooting.
All we have to do to find the mean is multiply & square root the products.
30 × 6 = 180

You can use the same process and check my answer if you'd like; I rounded the square root, so you may get a different answer.
Answer:
n=4
Step-by-step explanation:
To solve combine your like terms.
You can start by adding 0.8 to both sides and subtracting 0.7n from both sides.

Next, divide both sides by 0.7 to isolate for n.

X would equal 0 because u would use the distribution 3x+3=3x+3 and then subtract three from the three on the other side and then subtract 3x from 3x and then 0