Mathematics
         
语言:中文    Language:English
Resolving prime factor:
    Enter a composite number and click the "Next" button to get the product of the composite number into several prime numbers.
    Because it needs to decompose a composite number into the product of prime numbers, the composite number should be input.
    Current location:Mathematical operation > Decomposition prime factor history > Answer

    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 2x^(2)+x-9/x^(2)-x+7 = 0 .
    Question type: Equation
    Solution:
    After the equation is converted into a general formula, it is converted into:
    ( x + 1 )( x - 1 )=0
    From
        x + 1 = 0
        x - 1 = 0

    it is concluded that::
        x1=-1
        x2=1
    
    There are 2 solution(s).


解一元二次方程的详细方法请参阅:《一元二次方程的解法》



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