How to solve the cubic equation of one variable x-2x-x+7 Be specific The first one is three times, the second one is x, the second one is x, and the third one is fast. I'll collect it later

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• 1. Correct the following brackets: remove the brackets from 1 / 8 (4-3x) = 1 / 5 (2x-3) to get 1 / 2-3x = 2x-3 / 5
• 2. 1/(x*x-2x-3)+2/(x*-x-6)+3/(x*x+3x+2)=0
• 3. 3x + 0.8 = 5.6
• 4. How to calculate 1 / 3x + 6 = 1 / 2 (x + 6)
• 5. Solution 3x + 20 = 6 (X-2) + 2 How to solve 3x + 20 = 6 (X-2) + 2? Please write every step
• 6. 3x + 1.5 = 6 solution to the equation
• 7. 3/4x+2/3x=5/6
• 8. x/3x-6 = 3/4x-8 The fractional equation,
• 9. (x-3)/-5=(3x+4)/15 -3x-9=3x+4 -3x-3x=4+9 -6x=13 x=-(13/6) I want to be able to point out where I was wrong
• 10. How much is 3x = 60% X (180-x)?
• 11. X^3-3X^2-5X-1=0
• 12. How to solve the cubic equation of one variable
• 13. Factorization (8 / 27) x - (2 / 3) y Another question, 3m-7m-20
• 14. Factorization of quadratic equation in junior high school
• 15. Solve the equation x (2x + 1) (2x-1) - 2x (2x ^ 2-1) = 4
• 16. Solutions to several cubic equations of one variable There are several univariate cubic equations The third power of X + 5x = 6 The third power of X + 2x = 19 The third power of X + 7x = 48 By the way, it's better to talk about the truth. It's OK without it
• 17. I want to know the solution of cubic equation of one variable
• 18. Solution of cubic equation with one variable I want to ask about the root formula ~ don't copy it from the encyclopedia ~ I don't understand ~ read it! I wonder if the cubic equation can be solved only in some special form? What is the root expressed in terms of the corresponding coefficients?
• 19. 78.3 cubic decimeter = () cubic meter Be quick
• 20. 3.05 cubic meters = () cubic meters () cubic decimeters 3200ml = () l = () cubic decimeter