Question

Equaçao 2 grau 10t2+2t=0

Answer 1

S={0,-1/5}
t=0 ou t=-1/5

10t²+2t=0
Δ=2²-4.10.0
Δ=4  √Δ=2

t1=(-2+2)/2.10 = 0/10 = 0
t1=0

t2=(-2-2)/2.10 = -4/20 = -1/5
t2= -1/5