Solve the equation. 9x^{3}-18x^{2}-4x+8=0

cistG

cistG

Answered question

2021-09-30

Solve the equation.
9x318x24x+8=0

Answer & Explanation

berggansS

berggansS

Skilled2021-10-01Added 91 answers

Step 1
The given equation is,
9x318x24x+8=0
On simplifying the given equation, we get
9x318x24x+8=0
9x2(x2)4(x2)=0
(9x24)(x2)=0
Step 2
On solving the given, we get
9x24=0
9x2=4
x2=49
x=49
=±23
x=23,23...(i)
And,
x2=0
x=2...(ii)
Therefore, the solutions of the give equation are 23,23 and 2.

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