SOLUTION: Solve (x^2-3)^2-11(x^2-3)+30=0
Algebra
->
Quadratic Equations and Parabolas
->
Quadratic Equations Lessons
->
Quadratic Equation Lesson
-> SOLUTION: Solve (x^2-3)^2-11(x^2-3)+30=0
Log On
Quadratics: solvers
Quadratics
Practice!
Practice
Answers archive
Answers
Lessons
Lessons
Word Problems
Word
In Depth
In
Click here to see ALL problems on Quadratic Equations
Question 637544
:
Solve (x^2-3)^2-11(x^2-3)+30=0
Answer by
DrBeeee(684)
(
Show Source
):
You can
put this solution on YOUR website!
Let y = x^2 -3, your quadratic reduces to
y^2 - 11y + 30 = 0 which factors into
(y-6)(y-5)=0 yielding
y = 5,6 or
x^2 - 3 = 5,6 or
x^2 = 8,9
x= 2sqrt(2),3