Question

x ²-x-12=0

 X²-14x-32=0

Answer 1

x²-x-12=0
delta=(-1)²-4.1.-12
delta=1+48
delta=49
x=-(-1)+-raiz quadrada 49/2
x=1+-7/2

x=8/2
x=4/1
x=4

x=1-8/2
x=-7/2

x²-14x-32=0
(x-16)(x+2)=0

x-16=0
x=16

x+2=0
x=-2