Answer: C
Step-by-step explanation:
Hello,
x²+2*3x+3²+7-9=0
==>(x+3)²-2=0
==>(x+3-√2)(x+3+√2)=0
==> x=-3+√2 or x=-3-√2
Answer:
0.96153846153
but it would make more sense in a lot of cases if it was 5.2/5
Step-by-step:
It would be answer choice A (10^5) because there are 5 10s in the problem