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

Patrick ate 3/5 of a small pizza on Friday night. For lunch on Saturday , he ate 1/2 of the leftover pizza. How much pizza did he eat for lunch on Saturday?
Add the following fractions.3/8 + 5/12 =
How did the early voyages of discovery change european trade routes?
If the probability of giving birth to a boy is 0.52, what is the approximate probability of giving birth to 4 consecutive boys?
in what situation does friction make an object change its shape
what other areas did the french explorers find
Show that 9x^2-17x-85=0 give you solutions to 3 correct significant figures There are two possible answers for x
The data represent the ages of people working at a store. 19, 27, 20, 26, 20, 24, 32, 23, 20, 19, 21 What is the first quartile of these ages?
what is a similar quote for Romeo and Juliet "my bounty is as boundless as the sea . My love as deep , the more i give to thee , the more i have , for both are
What is the factor of (2ab)(-5ab)