It is known that the equation (m-2) x + 4x + m-4m = 0 has a root of 1, so we can find the value of M

RELATED INFORMATIONS

• 1. Given that x2-4x + 1 = 0 (1), find x2 + 1 / X2 (2) if m n is the two real roots of the equation x? - 4x + 1 = 0, find the value of the algebraic formula 2m & # 178; + 4N & # 178; - 8N + 1. Kneel down and ask the second question, and the first question is OK. Yes, offer a reward directly
• 2. Given that one root of the equation x2-ax-3a = 0 is 3, then the value of a is and the other root of the equation is
• 3. A mathematical problem helps to set up equations The title is: a glass of juice a total of 63 liters, pour out part of the full water, and then pour out the same part of the water juice, at this time there are still 28 liters of original juice in the cup, ask the first pour out how much juice? Is a binary equation, thank you for your help~~
• 4. 1. It is known that the solution of the equation 6m / 2 + 3x = 6 is 11 times of the solution of the equation 2x / 3 + m minus 10x / 12 + 1 = 3 / 4 minus 1 2. It is known that 3a-3b-4 = - 5. Please discuss with your partner how to compare the size of a and B 3. Given the equation 1 / 4 + 1 / 2 (x + 1 / 2010) = 3 / 4, can you find the value of algebraic formula 16-2011 (x + 1 / 2010) in a simpler way
• 5. One train is from Nanjing to Wuxi. The known distance is 200 km. Train a starts at 4 p.m. and runs at 45 km / h. the other starts at 3 p.m. and runs from Wuxi to Nanjing at 60 km / h. ask when the two trains will meet (round to the nearest minute)!
• 6. Given that circle (X-2) 2 + (y + 3) 2 = 13 and circle (x-3) 2 + y2 = 9 intersect at two points a and B, the equation of the vertical bisector of string AB is______ ．
• 7. Equation x / 2 × 4 + X / 4 × 6 + X / 6 × 8 + +Root X of X / 2012 × 2014=
• 8. If x = 1 / 2, the positive scale function y = XK1 (K1 is not equal to 0) is equal to the inverse scale function y = K2 / x, then the ratio of K1 to K2 is? Options: A.4:1 B.2:1 C.1:2 D.1:4 Seeking answers and solving ideas
• 9. Given that a is a root of the equation x2-x-1 = 0, find the value of A2 − a (A2 − a) 2 − 1 + 3
• 10. Solving equations {x + 3 = 5Y, 3x + 2Y + 9 = 0}
• 11. When x = 2013, y = 2014, the value of the algebraic formula (x / Y-Y / x) △ X-Y / X is
• 12. Calculation: (- 0.125) ^ 2013 * (- 8) ^ 2012 What methods should be analyzed
• 13. Calculation with simple method: (0.5 * 3 and 2 / 3) ^ 2012 * (- 2 * 3 / 11) ^ 2013
• 14. If AB is opposite to each other and CD is reciprocal to each other, the absolute value of M is 1, and the value of (a + b) cd-2014m is obtained
• 15. If x + y = 4, xy = 1. Find the value of (1) x & # 178; + Y & # 178; (2) (X-Y) &# 178;
• 16. Given x (x-1) - (X & # 178; y) = - 2, find the value of X & # 178; + Y & # 178 / 2-xy As above
• 17. Given that (2x-y) and | x + 2y-5 | are opposite to each other, calculate the value of (X-Y) 2013
• 18. |X-Y + 1 | and | x + y-2013 | are opposite numbers. Find the value of (x - y) (x + y) |X-Y + 1 | and | x + y-2013 | are opposite to each other- y) The value of (x + y)
• 19. Given x = 2013, y = 2014, then (x + y) (x ^ 2 + y ^ 2) / x ^ 4-y ^ 4 =?
• 20. In triangle ABC, (a + B + C) × (a-b + C) = 3aC, then ∠ B=