Question

preciso pra agora pfv e avaliação

Answer 1

x²-5x+6=0

(-(-5)+-√(-5)²-4*(1)*(6))/2a

X1 = (5+√25-24)/2 ==> (5+√1)/2 ==> (5+1)/2 ==> 6/2 = 3
X2 = (5√25-24)/2 ==> (5-√1)/2 ==> (5-1)/2 ==> 4/2 = 2

f(x) x+1 = 0 ==> x+1=0 ==> x=-1