Sign In
Ask Question
Denise
Mathematics
16 December, 20:07
1. 3x²=5
2. x²-18x=9
+1
Answers (
1
)
Karlee Rangel
16 December, 20:09
0
3x² = 5
3 3
x² = 1²/₃
x ≈ 1.2909
x² - 18x = 9
x² - 18x - 9 = 0
x = - (-18) + / - √ ((-18) ² - 4 (1) (-9))
2 (1)
x = 18 + / - √ (324 + 36)
2
x = 18 + / - √ (360)
2
x = 18 + / - 6√ (10)
2
x = 9 + 3√ (10)
x = 9 + 3√ (10) x = 9 - 3√ (10)
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“1. 3x²=5 2. x²-18x=9 ...”
in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Xian is practicing his long jumps for the track team. His first jump measured 3 yards, 1 foot, and 2 inches. His second jump measured 2 yards, 2 feet, and 9 inches.
Answers (1)
Ellie is placing an order for 55 tuna salads and 22 chicken salads. Each salad costs $8.50, including tax. What is the total cost of the salads?
Answers (1)
Mr. Steve got a $12 discount on a $60 head set. What was the percentage discount Mr. Steve got?
Answers (1)
The distance from Boulder City, NV to Santa Fe, NM is around 600 miles. If a map has a scale of 0.3 in for every 30 mi, how far is the scale distance between Boulder City, NV and Santa Fe, NM?
Answers (1)
24can go to 63 how many times
Answers (2)
New Questions in Mathematics
Simplify - 6+[4 - (*-2) ]
Answers (1)
22.4 cm 18.1 cm 28 cm What's the volume of the triangular prism
Answers (1)
Find the area of a square with a diagonal of 8 cm. 16 cm2 12 cm2 18 cm2 32 cm2
Answers (1)
What is the answer for this? y = 2 (x - 2) ² - 2
Answers (1)
Jeff is thinking of a 5 digit numbers. rick is thinking of a 6 digit numbers. whose number is greater how do you know
Answers (2)
Home
»
Mathematics
» 1. 3x²=5 2. x²-18x=9
Sign In
Sign Up
Forgot Password?