Msmsooscimcmdjdi Msmsooscimcmdjdi
  • 13-10-2020
  • Mathematics
contestada

Factorising quadratic expressions

2x*2 + 4x + 2 = 0

Respuesta :

aleeshasaji
aleeshasaji aleeshasaji
  • 13-10-2020

Answer:

2(x + 1)² = 0

x = -1

Step-by-step explanation:

Factorise the 2 out

2(x² + 2x + 1) = 0

2(x + 1)(x + 1) = 0

2(x + 1)² = 0

Hence x = -1

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