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 type of obstacles do historians have to overcome to give a straight forward account of past events
Peter was surprised to learn that, in addition to blood, there's another type of circulating body fluid that flows within separate vessels. what is the name of
Wine is 14 % (by volume) alcohol. How many milliliters of alcohol are in a 0.750-L bottle of wine?
What was one reason freed slaves migrated to western territories?
True or false all fraction can be written as a repeating decimal if it's false write example that proves this statement is false
Why did Thomas Jefferson change property to the pursuit of happiness in the Declaration of Independence?
How many terms are in the expression shown below? a2 - ab + 8b + b2 - 1 2 3 4 5
if vx=9.80 units and vy=-6.40 units, determine the magnitude and direction of v
What does it mean when an answer is written in terms of percentage?
A cross between plants that involves one characteristic is called a