Question

∆=B.-4.a.c qual as raízes dessa fórmula.
t(x)= x-8x+12
a=1
b=-8
c= 12

Answer 1

Δ = b² - 4 * a * c

(-8)² - 4 * 1 * 12

64 - 48

Δ= 16

x = - b ⁺₋√Δ / 2* a

x¹ = 8 + 4 / 2*1

12 / 2 = 6

x² = 8 - 4 / 2

4/2 = 2

As raízes são 6 e 2