x^6 - 4x^4 + x^2 + 7x - 8 = 0
Wolfram said there is a positive solution at
appr. x = 1.80445
http://www.wolframalpha.com/input/?i=x%5E6+-+4x%5E4+%2B+x%5E2+%2B+7x+-+8+%3D+0
what a mess, this would be horrible without technology .
Find all positive solutions to:
x^6 + 7x = 4x^4 - x^2 + 8
2 answers
I won't have access to this on a test. How can I work it on a calculator.
1 answer