Overview: 4 questions will be solved this time.Among them
☆4 equations
[ 1/4 Equation]
Work: Find the solution of equation 2xx+7x+6 = 0 .
Question type: Equation
Solution:Original question:
After the equation is converted into a general formula, it is converted into:
( x + 2 )( 2x + 3 )=0
From
x + 2 = 0
2x + 3 = 0
it is concluded that::
x1=-2
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》[ 2/4 Equation]
Work: Find the solution of equation 2xx-7x+6 = 0 .
Question type: Equation
Solution:Original question:
After the equation is converted into a general formula, it is converted into:
( 2x - 3 )( x - 2 )=0
From
2x - 3 = 0
x - 2 = 0
it is concluded that::
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》[ 3/4 Equation]
Work: Find the solution of equation 2xx-x-6 = 0 .
Question type: Equation
Solution:Original question:
After the equation is converted into a general formula, it is converted into:
( 2x + 3 )( x - 2 )=0
From
2x + 3 = 0
x - 2 = 0
it is concluded that::
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》[ 4/4 Equation]
Work: Find the solution of equation 2xx+x-6 = 0 .
Question type: Equation
Solution:Original question:
After the equation is converted into a general formula, it is converted into:
( x + 2 )( 2x - 3 )=0
From
x + 2 = 0
2x - 3 = 0
it is concluded that::
x1=-2
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》Your problem has not been solved here? Please go to the Hot Problems section!