Overview: 5 questions will be solved this time.Among them
           ☆5 equations

[ 1/5 Equation]
    Work: Find the solution of equation 2x^2+7x+5 = 0 .
    Question type: Equation
    Solution:
    After the equation is converted into a general formula, it is converted into:
    ( 2x + 5 )( x + 1 )=0
    From
        2x + 5 = 0
        x + 1 = 0
    it is concluded that:：

x1=

-

5 2

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》
[ 2/5 Equation]
    Work: Find the solution of equation 8y^2-38y+35 = 0 .
    Question type: Equation
    Solution:
    After the equation is converted into a general formula, it is converted into:
    ( 4y - 5 )( 2y - 7 )=0
    From
        4y - 5 = 0
        2y - 7 = 0
    it is concluded that:：

y1=

5 4

y2=

7 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》
[ 3/5 Equation]
    Work: Find the solution of equation 8y^2+6y-3 = 0 .
    Question type: Equation
    Solution:
    The solution of the equation:
        y₁≈-1.093070 , keep 6 decimal places
        y₂≈0.343070 , keep 6 decimal places    
    There are 2 solution(s).

解程的详细方法请参阅：《方程的解法》
[ 4/5 Equation]
    Work: Find the solution of equation 20x^2+30x+10 = 0 .
    Question type: Equation
    Solution:
    After the equation is converted into a general formula, it is converted into:
    ( x + 1 )( 2x + 1 )=0
    From
        x + 1 = 0
        2x + 1 = 0
    it is concluded that:：
        x₁=-1

x2=

-

1 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》
[ 5/5 Equation]
    Work: Find the solution of equation 3x^2+7x-6 = 0 .
    Question type: Equation
    Solution:
    After the equation is converted into a general formula, it is converted into:
    ( x + 3 )( 3x - 2 )=0
    From
        x + 3 = 0
        3x - 2 = 0
    it is concluded that:：
        x₁=-3

x2=

2 3

    
    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！