4:45 minutes
Problem 92
Textbook Question

Solve each equation in Exercises 92–93 by making an appropriate substitution. x^4 - 5x^2 + 4 = 0

Verified Solution
This video solution was recommended by our tutors as helpful for the problem above.
Was this helpful?

Watch next

Master How to find the roots of a polynomials by factoring with a bite sized video explanation from Brian McLogan

Start learning