chowhuiming9 chowhuiming9
  • 22-08-2021
  • Mathematics
contestada

express x²+4x-2 in the form of (x+a)²+b​

Respuesta :

jcoin303 jcoin303
  • 22-08-2021

Answer:

(x+2)^2-6

Step-by-step explanation:

(x+2)^2 = x^2 + 4x + 4

x^2 + 4x + 4 -6 = x²+4x-2

Answer Link
jimrgrant1 jimrgrant1
  • 22-08-2021

Answer:

(x + 2)² - 6

Step-by-step explanation:

Using the method of completing the square

add/subtract ( half the coefficient of the x- term)² to x² + 4x

x² + 2(2)x + 4 - 4 - 2

= (x + 2)² - 6

Answer Link

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