Mathematics, 18.07.2019 12:30 rubencharomarti
What are the solutions of the equation x6 + 6x3 + 5 = 0? use factoring to solve.
Answers: 2
![x^6 + 6x^3 + 5 = 0\\\\substitute, x^3=y\\\\y^2+6y+5=0\\\\y^2+5y+y+5=0\\\\y(y+5)+1(y+5)=0\\\\(y+5)(y+1)=0\\\\y=-1,-5\\\\\text{substitute back }y=x^3\\\\x^3=-1,-5\\\\x=-1,\sqrt[3]{-5} \\\\\text{These are the only real solutions}\\](/tpl/images/0103/9825/84510.png)
Another question on Mathematics
Mathematics, 21.06.2019 16:00
Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle
Answers: 1
Mathematics, 21.06.2019 19:00
Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?
Answers: 3
Mathematics, 21.06.2019 19:30
Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?
Answers: 2
Mathematics, 21.06.2019 19:40
Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9
Answers: 1
You know the right answer?
What are the solutions of the equation x6 + 6x3 + 5 = 0? use factoring to solve....
Questions
History, 29.09.2019 19:30
Health, 29.09.2019 19:30
History, 29.09.2019 19:30
Biology, 29.09.2019 19:30
Mathematics, 29.09.2019 19:30
Health, 29.09.2019 19:30
Mathematics, 29.09.2019 19:30
English, 29.09.2019 19:30
Chemistry, 29.09.2019 19:30
English, 29.09.2019 19:30
History, 29.09.2019 19:30
Social Studies, 29.09.2019 19:30
