Answer:
X1=-4
X2=-4
two answer with the same result
Step-by-step explanation:
the quadratic formula is -b+/-√(b²-4ac)
where A is the number that multiplies x², B is the number that multiplies x and C is the number that does not have x.
if you put the number A B C in the formula under the √ you will have 16-16 that means 0 so the only results is the -B
sorry my really bad English is not my first language
