Equal roots..

Algebra Level 2

findthevaluesofkforwhichfind\quad the\quad values\quad of\quad k\quad for\quad which

(k+4)x2+(k+1)x=1(k+4){ x }^{ 2 }\quad +\quad (k+1)x\quad =\quad -1

hasequalrootshas\quad equal\quad roots

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