dchirunga23 dchirunga23
  • 16-11-2019
  • Mathematics
contestada

Which of the numbers −4, −3−1, 3, 4 are a root of the equation: x squared+4x+3=0

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 16-11-2019

Answer: the roots of the equation are : -3, -1

Step-by-step explanation:

[tex]x^{2}[/tex] + 4x + 3 = 0

by factorizing

(x+1)(x+3) = 0

x+1 = 0 or x + 3 =0

x = -1 or x = -3

Answer Link
jimrgrant1 jimrgrant1
  • 16-11-2019

Answer:

x = - 3 and x = - 1

Step-by-step explanation:

Given

x² + 4x + 3 = 0 ← in standard form

(x + 3)(x + 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 3 = 0 ⇒ x = - 3

x + 1 = 0 ⇒ x = - 1

Answer Link

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