Question

a) t²-1t-6=0
me ajudeeeeeeem

Answer 1

t² -1t -6 = 0

(t-3). (t+2) = 0

t'=3....t"=-2

bhaskarando:

∆=(-1)² -4.1.(-6)= 25 => √∆=5

x = 1±5/2

x' = 1+5/2 = 3

x" = 1-4/2 = -2