It is known that one root of the equation 2x & sup2; - 5x + P-3 = 0 about X is - 4. Find another root of the equation and the value of P Please answer quickly

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• 1. It is known that 2 is a root of the quadratic equation 5x & sup2; + bx-10 = 0 with respect to X. find another root of the equation and the value of B I have no answer. Please list the methods in detail. There are two methods
• 2. It is known that one root of the equation 2x2 + 5x + P-3 = 0 about X is - 4. Find another root of the equation and the value of P
• 3. Given that a is a root of the equation x2-5x + 1 = 0, then the number of bits of A4 + A-4 is______ ．
• 4. Given that a is a root of the equation x2-5x + 1 = 0, then the number of bits of A4 + A-4 is______ ．
• 5. On a root of the equation x ^ 2-5x + M-1 = 0 of X It is known that a root of the equation x ^ 2-5x + M-1 = 0 about X and a root of the equation x ^ 2 + 5x-m + 1 = 0 about X are opposite numbers, and the value of M is obtained Let a root of equation x ^ 2-5x + M-1 = 0 be a, and a root of equation x ^ 2 + 5x-m + 1 = 0 be - A, then a^2-5a+m-1=0, a^2-5a-m+1=0 If you want to reduce 2m-2 to 0, then M = 1
• 6. If the equation 5 + m / (X-2) + 1 = 1 / (2-x) about X has no solution, then M=
• 7. On the quadratic equation (a-6) with one variable of X, the square of x-8x + 9 = 0 has real roots. Find the maximum integer value of A
• 8. The root of the quadratic equation of one variable x-4 = 0 is
• 9. If the equation | X-1 | - KX = 0 has and only has one positive real root, then the value range of real number k is______ ．
• 10. Given that the two real roots of equation x2 + KX + 6 = 0 are x1, X2, and the two real roots of equation x2-kx + 6 = 0 are X1 + 5, X2 + 5, then the value of K is equal to () A. 5B. -5C. 7D. -7
• 11. In the equation mx-2 / 5 + 2 = x + 2m / 5, when what is the value of M, X is equal to - 1?
• 12. Why is the solution of the equation 3 / x + 6 / X-1 = x + m / X (x-1) equal to 1 / 2?
• 13. If the solution of equation 5x-2m = 3 (x-2m) + 1 is negative, what is m equal to? If the system of inequalities x-3 (X-2) is less than or equal to 4,3 / 3 A + 2x is greater than x, and there is no solution, the value range of a is obtained
• 14. When m is a value, the solution of the equation (x + 1) / (X-2) = (2m-3) / (M + 5) about X is equal to 0
• 15. To prove that the equation MX ^ 2 + (M + 6) x + 3 = 0 must have real roots
• 16. If the equation 2x MX + 2 = 0 has two equal real roots, try to find the roots of the equation MX + x-m + 1 = 0 Given the set {2a, a - a}, what is the value range of real number a? How to answer this
• 17. On the equation MX ^ 2-2x + 1 = 0 of X, there is only one real number root, find M
• 18. It is known that the reciprocal sum of the two equations x-2x + k = 0 is 8 / 3,
• 19. If the difference between the two equations 2x2 - (K + 1) x + K + 3 = 0 is 1, then the value of K is 1______ ．
• 20. It is known that the two square differences of the X equation x & sup2; + 2x + 1-k & sup2; = 0 are equal to 2, and the value of K is obtained