X = (12 +- sqrt (144 -4(7)(3))/14
x = (12 + - sqrt (144 - 84))/14
x = (12 + - sqrt(60))/14
x = (12 + - 2sqrt 15))/14
x = (6 + - sqrt 15) / 7
Answer:
Simplified expression is 1.8i+0.6s
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
maths
22%
Step-by-step explanation:
-30
multiply you'll get a negative number