Quadratic trinomial: xsquare - 3x + 2, the minimum value is? 3Q

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• 1. (x's square + PX + 2) (X-Q) expansion does not contain quadratic terms about X, then the relationship between P and Q If the result of (- 3x + a) (x-1) does not contain a linear term of X, then the value of constant a is
• 2. 1 / 4x minus 1 / 2 is equal to 3 / 4
• 3. Minus 3.59 × minus 22 / 7 minus 2.41 times minus 22 / 7 plus 6 × minus 22 / 7
• 4. Summer homework new first English page 18, 19, 20, 21, 22, 23
• 5. What is 1-11 / 22?
• 6. 25 of 60 is equivalent to () A. 14b. 30% C. 2x
• 7. How many degrees is 23 ° 15'40 ''
• 8. Minus 23 plus 18 minus 1 minus 15 plus 23 Minus 7.2 minus 0.8 minus 5.6 plus 11.6
• 9. what is ten plus fifteen
• 10. Simple calculation of 10.6 times 1.1 minus 1.06
• 11. For the square of quadratic binomial x-10x + 36, Xiao Cong made the following conclusion: no matter what number x takes, its value is not acceptable
• 12. How much is twenty plus thirty
• 13. 48 minus 13 equals 35
• 14. The solution equation: (y minus 4) (y minus 3) (y minus 2) (y minus 1) plus 1 equals zero
• 15. What is negative x minus x?
• 16. How much minus one equals minus two
• 17. Minus 19 plus 4 minus 9 equals?
• 18. How much is minus four minus two
• 19. What is 6.8 minus 0.6
• 20. Let real numbers a and B satisfy the following conditions: 3a2-10ab + 8b2 + 5a-10b = 0, and find the minimum value of u = 9A2 + 72B + 2