SOLUTION: what is exact value of the only real root of the equation x^3 + 6x^2 + 12x + 24 = 0
Algebra.Com
Question 574550: what is exact value of the only real root of the equation x^3 + 6x^2 + 12x + 24 = 0
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
When you look at , it may remind you of
, so we could "complete the cube"
--> --> -->
The only real solution is , so
RELATED QUESTIONS
Given f(x)=nx^2-12x+9n where n is a real number. What is the value(s) of n such that this (answered by josgarithmetic)
what is the real value of x in the equation log2 24-log 2 3 = log5... (answered by stanbon,Alan3354)
24. Find b^2 – 4ac and the number of real solutions for the given equation.
–x^2 + 12x... (answered by jim_thompson5910)
If 3x = square root of 2, what is the value of 12x^6 - 9x^4 +... (answered by rothauserc)
what is the root of the quadratic equation... (answered by richwmiller)
f(x)=x^5-6x^4+11x^3-2x^2-12x+8 has (x-2) as a factor
determine which one of the... (answered by MathLover1,Edwin McCravy)
Please help me.
What is the real value of x in the equation: log2(24) - log2(3) =... (answered by Nate)
3x^2-6x+c=0 what value of c will the equation have one rational... (answered by josmiceli)
If one root of the equation x^2-12x-P=0 is the square of the other, then find the value... (answered by josgarithmetic,Edwin McCravy,MathTherapy)