Question

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

Answer 1

x = 8 , x = - 2.5

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