Answer:
.35078
Step-by-step explanation:
2x^2+5x-2=0
x = - b + √b^2 - 4 ac / 2a
x = - 5 + √25 - 4(2)(-2) / 2(2)
x = - 5 + √41 / 4
= 0.35078
-6/2 - 12
= -3 - 12
= -15
Answer: -15
-3x^2-22x-7
C