Solve the eqaution using the quadratic formula 3x^2=2(2x+1)
2 answers:
Answer:
the answer is x=1,−13
Step-by-step explanation:
.
Answer:
x = (2 ± √10) / 3
Step-by-step explanation:
3x²=2(2x+1)
3x² - 4x -2 = 0 .. 2 roots: (-b ± √b² - 4ac) / 2a
a = 3, b = -4, c = -2
x = ((-(-4)) ± √(-4)² - 4x3x(-2)) / (2x3)
= (4 ± √16 + 24) / 6
= (4 ± √40) / 6
= (4 ± 2√10) /6
= (2 ± √10) / 3
You might be interested in
Answer:
a
Step-by-step explanation:
Answer:
78 + 52 + X + 54 = 180
130 + X + 54 = 180
X + 54 = 180 - 130
X = 50 - 54
X = -4
I came up with 114.48. i think you meant bill is $90, not o0%
Answer:
I am think so opction (C).....