victoria032066
victoria032066 victoria032066
  • 01-04-2020
  • Mathematics
contestada

i need this help with this problem x^2+4x-5=0 using the “completing the square” method step by step

Respuesta :

anu200499
anu200499 anu200499
  • 01-04-2020

Answer:

X=125/64

Step-by-step explanation:

x^2+4 x-5=0

x^2+4x=5

4x^3=5

x^3=5/4

x=5^3/4^3

x=125/64

Answer Link

Otras preguntas

What are three interesting facts about Susan B. Anthony's childhood ?
What is a tonal collage? We learnt it in school BUT  I can't remember.
The sum of a number and 18 times its reciprocal is 11. Find the number(s). Let x represent the unknown number. The Reciprocal of x is____?
Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.
The number 6 is halfway between 4.5 and 7.5.Answer the missing numbers below.The number 6 is halfway between 2.8 and .......The number 6 is halfway between -12
Yolanda owns 4 rabbits. She expects the number of rabbits to double every year.a) after how many years will she have 64 rabbits?b) write and equation to model t
find the difference: 7 7/8 - 3 1/4
How long did mummification go for poor Egyptians?
Why does a pendulum eventually stop swinging?
What are three interesting facts about Susan B. Anthony's childhood ?