160k views
1 vote
X^2+8x+12=0. Solve using quadratic formula

User Rosemarie
by
7.0k points

1 Answer

5 votes
D = b^2-4ac, thus D = 64 - 4*12 = 16

Now is x = -b +- sqrt(D) / 2a, or x = -8 +- sqrt(16)/2, giving respectively -2 and -6

So x = -2 or x = -6
User Nob
by
7.1k points