suryaniatik004 suryaniatik004
  • 02-10-2021
  • Mathematics
contestada

solution of the inequality |7x-5| < |3x+11| is ...​

Respuesta :

ferrybukantoro
ferrybukantoro ferrybukantoro
  • 02-10-2021

Step-by-step explanation:

|7x-5| < |3x+11|

(7x-5)² < (3x+11)²

49x²-70x+25 < 9x²+66x+121

40x²-136x-96 < 0

5x² -17x -12 <0

(5x+3)(x-4) < 0

the solutions :

{x | -3/5 < x < 4}

Answer Link

Otras preguntas

what are the three main features of a eukaryotic cell?
Why is 1697 considered a "turning point in the history of the black population in America"? What had this change resulted in by 1760? On a related note, what wa
When you feel you must have something, even though it is harmful, you
After the 1970s, a peace agreement was reached by which of the following nations?   i. Syria and Israel ii. Jordan and Israel iii. Egypt and Israeloh this to
one centimeter is equal to?
1)Which was a result of the Treaty of Oregon in 1846? A.The United States gave most of the Oregon Territory to France B.The United States acquired all of the Or
453 is 75.5% of what number?
According to a survey in a​ country, 24​% of adults do not have any credit cards. Suppose a simple random sample of 900 adults is obtained. Describe the sampli
Find all solutions to z^4-3z^2+4=0
7-1.46=common core showing work please