SOLUTION: 2x^2+7x+15=0
Algebra
->
Test
->
Lessons
-> SOLUTION: 2x^2+7x+15=0
Log On
Test Calculators and Practice
Test
Answers archive
Answers
Word Problems
Word
Lessons
Lessons
Click here to see ALL problems on test
Question 726996
:
2x^2+7x+15=0
Answer by
checkley79(3341)
(
Show Source
):
You can
put this solution on YOUR website!
2x^2+7x+15=0
x=(-7+-sqrt(7^2-4*2*15))/2*2
x=(-7+-sqrt(49-120))/4
x=(-7+-sqrt-71i)/4
x=(-7+-8.426i)/4
x=(-7+8.426)i/4
x=-7/4+8.426i/4
x=-1.75+2.1065i ans.
x=(-7-8.426i)/4
x=-7/4-8.426i/4
x=1.75-2.1065i ans.