Question

The roots of x^2-2(7+3m)x+55m+45=0,are equal, then m=

Answer 1

Answer:

x2 - 2(7 + 3m)x + 55m + 45 = 0 m = ? roots are equal b2 - 4ac = 0 b = 2(7 + 3m), a = 1, c = 55m + 45 [ - 2(7 + 3m)]2 = 4(55m + 45) 4(49 + 9m2 + 42m) ...

x2 - 2(7 + 3m)x + 55m + 45 = 0 m = ? roots are equal b2 - 4ac = 0 b = 2(7 + 3m), a = 1, c = 55m + 45 [ - 2(7 + 3m)]2 = 4(55m + 45) 4(49 + 9m2 + 42m) ...