SOLUTION: Hi so basically I need to simplify all square roots and answers should not be decimals Factor or solve the following: X⁴-16x²+48 I know this is a trinomial and that it might b

Question 1174746: Hi so basically I need to simplify all square roots and answers should not be decimals Factor or solve the following:
X⁴-16x²+48
I know this is a trinomial and that it might be good to use the slide rule. Also I'm not sure if it needs to use the zero product property..
Anyway if you can help I will leave a great review!
Found 2 solutions by math_helper, ikleyn:
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!

can be 'factored' but not 'solved'
If you had
you'd have so let and you're mostly done:
Factoring a 2nd time and simplifying, gives:

Answer by ikleyn(52863) (Show Source): You can put this solution on YOUR website!
.

Factor it as follows x^4 - 16x^2 + 48 = (x^2-12)*(x^2-4) = . The roots are , -, 2 and -2.

PLEASE STOP posting duplicates, triplicates, quadruplicates . . . and other . . . plicates . . .

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