Question

The zeroes of quadratic polynomial x²+20x+150 are​

Answer 1

Answer:

x1= 10-7.0711i

x2= 10+7.0711i

Step-by-step explanation:

x =(20+√-200)/2=10+5i√ 2 = 10.0000+7.0711i

 or:  

x =(20-√-200)/2=10-5i√ 2 = 10.0000-7.0711i