laysia3 laysia3
  • 09-04-2017
  • Mathematics
contestada


Solve for x in the following equation.

x2 + 4x = 21

A.
x = 3; -7
B.
x = -1; 21
C.
x = 3; -8
D.
x = -3; 7

Respuesta :

sakshishah82202 sakshishah82202
  • 09-04-2017
The answer is x= -7,3 or A

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