tylerjaysloneox8xtd tylerjaysloneox8xtd

04-09-2018
Mathematics

contestada

Solve for x in the equation x^2 - 4x - 9 = 29

Respuesta :

JiakSai JiakSai

04-09-2018

x² - 4x - 9 = 29

x² - 4x = 38

x² - 4x + (2)² = 38 + (2)²

(x - 2)² = 42

x - 2 = ±√42

x = √42 + 2 or x = -√42 + 2

x = 8.48 (nearest hundredth) or -4.48 (nearest hundredth)

Answer Link

Otras preguntas

Question 10 A laboratory employee is mixing a 10% saline solution with 4% saline solution. How much of each solution is needed to make 500 milliliters of a 6% s

What was the name of the long, hard journey made by Cherokees when they were forced to leave their lands in Georgia? Oregon Trail Trail of Tears Wilderness Road

Find the 25th term of an arithmetic sequence whose first term is 12 and whose common difference is ‒6. A. ‒144 B. 132 C. ‒132 D. 156

What is the answer

an American space traveler

In which area of Central Asia would you be the most likely to find herders? A. the mountains near Iran B. the plains of Kazakhstan C. the mountains near western

Correct the underlined portions. (View picture) 20 points!

what reaction does powder soap have to iodine?

Why would PCD make it difficult to get pregnant or have a baby

How to do 15x28 distributive property