2000???????????!!??!!??!??!??!?!!??!??!??!
<span>Factor out 2
x^2 +4x -6 = 0
Take half middle coefficient and square it:
x^2 +4x +4 -6 = 4
(x+2)^2
= 10
x+2
= sqrt(10)
x
= +-sqrt(10) -2</span>
Answer:
4 dollars per pound.
Step-by-step explanation:
Divide the amount of money by the amount of pounds
The set builder notation is {-8,-3,4,7} and the number line would begin at -8 and continue to positive 7. It would show a closed dot on top of -8 with a line that continues to a closed dot above 7.
The union of the 2 sets means that the final notation includes all elements.
