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

how long is 63 months in years?
How many combinations of 3 students can a teacher choose from 32 students?   A. 96
convert to vertex form. y=2x^2+14x-4
If 6x −3 = −5x +7, then x =? Can someone explain this one?
If 6x −3 = −5x +7, then x =? Can someone explain this one?
The areas of two circles are 36(pi) and 64(pi). What is hte ratio of the diameters? of the circumferences?
what kind of symbiotic relationship is showm between Dori and Marlin
how might the history of california have been different if the gold rush had not happened
past perfect tense: the storm STOP by early afternoon.
Of the model cars manufactured in September,1/5 were models of NASCAR cars and 1/3 were world were 2 vintage models.how many cars manufactured in September were