nicky2015 nicky2015
  • 15-05-2019
  • Mathematics
contestada

How do I solve (x-8)(2x+5=0

Respuesta :

S1NGH
S1NGH S1NGH
  • 15-05-2019

Answer:

x = 8 , x = - 2.5

Step-by-step explanation:

( x - 8 ) ( 2 x + 5 ) = 0

1. x - 8 = 0

2. 2 x + 5 = 0

x - 8 = 0

( + 8 on both sides )

x = 8

2. 2 x + 5 = 0

( - 5 from both sides )

2 x = - 5

( ÷ 5 on both sides )

x = - 2.5

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