-6 that’s the answer hope this helps
Answer:
x = -9
Step-by-step explanation:
3-2x=21
-3 -3
-2x=18
/-2 /-2
x=-9
We can use quadratic formula to determine the roots of the given quadratic equation.
The quadratic formula is:

b = coefficient of x term = 12
a = coefficient of squared term = 4
c = constant term = 9
Using the values, we get:
So, the correct answer to this question is option B
Answer:
SOHCAHTOA
SOH=sine is opposite over hypotenus
CAH=cosine is adjacent over hypotenus
TOA=tanget is opposite over adjucent