pluffer0ori05g
pluffer0ori05g pluffer0ori05g
  • 15-10-2020
  • Mathematics
contestada

PLEASE HELP!
Solve x2 + 5x = −6.

x = 5 and x = 1
x = −5 and x = −1
x = 3 and x = 2
x = −3 and x = −2​

Respuesta :

RahmaAbdullatif
RahmaAbdullatif RahmaAbdullatif
  • 15-10-2020

Answer:

x = - 3 and x = - 2

Explanation :

[tex] {x}^{2} + 5x = - 6[/tex]

[tex] {x}^{2} + 5x + 6 = 0[/tex]

[tex](x + 3)(x + 2)[/tex]

[tex]x = - 3[/tex]

[tex]x = - 2[/tex]

Answer Link
Blessingakorli
Blessingakorli Blessingakorli
  • 15-10-2020

Answer:

x= -3 and x= -2

Step-by-step explanation:

x2 +5x+6=0

x2+2x+3x+6=0

(x2+2x)+(3x+6)=0

x(x+2)+3(x+2)=0

(x+3) (x+2)=0

x+3=0 = -3

x+2=0 = -2

x=-3,-2

Answer Link

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