CM1006
CM1006 CM1006
  • 29-10-2018
  • Mathematics
contestada

Could someone help answer and explain these to me? Thanks!

Could someone help answer and explain these to me Thanks class=
Could someone help answer and explain these to me Thanks class=
Could someone help answer and explain these to me Thanks class=

Respuesta :

AlonsoDehner AlonsoDehner
  • 29-10-2018

Answer:

Option G is right.


Step-by-step explanation:

Given that 2x^2+6x =36

To find possible values of x, let us use factorisation method.

First divide the equation by 2, x^2+3x-18 =0

Factors are (x+6)(x-3)

Equate each factor to 0

x+6 =0 or x-3=0

x =-6 or 3

Hence values of x are -6 and 3.


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