1 1/12 i’m pretty sure is the answer
C) Quick way:
3x^2+6x+6=0 ---> x^2+2x+2=0,
sum of solutions is the 'x' coefficient multiplied by -1: (-1+i)+(-1-i)=-2-->2
Product is the independent term: (-1+i)(=1+i) = (-1)^2-i^2 = 1+1=2
Takes longer to write it down!
Step-by-step explanation:
-d=0.8-1.5
-d=-0.7
d=0.7
Answer:
8x+5=133
8x=128
x=16
Step-by-step explanation:
16 books
Answer:
-2 1
Step-by-step explanation:
