Answer:
n = 7
n = -3
Step-by-step explanation:
4n+6 = n²-15
4n = n² - 21
n² - 4n - 21 = 0
(n-7)(n+3) = 0
n = 7
n = -3
Answer:

Step-by-step explanation:
we know that
Susan collected 5 cents at the recycling plant for each of her 78 cans
To find out the total collected , multiply 5 cents by the total number of cans
so

the answer is b, just divide 50 by 59 and multiply that sum to 6.4
Answer:
<h2>(2x^2+5x-3)-(x^2+x-6)</h2>
Step-by-step explanation:
That is the only one I could find. It is a simple matter of simplifying each equation and seeing if it will match the given: x^2+4x+3. Make sure that you properly distribute and watch your signs (-/+)