2x^2 - 4 = 68
add 4 to both sides
2x^2 = 72
divide both sides by 2
x^2 = 36
find the square root of each sides
x = 6, -6
ANSWER: the positive value of x is 6
the answer might me B, not enough information to determine. if not that then D
Answer:
18000
Step-by-step explanation:
That looks hard... I can see the attachment tho<span />
