Help me please .......
2 answers:
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The way that you would do this is by taking 
out of the binomial, or as I like to think about it, 'un-distributing'. :p
out of 
, you end up with 
.
When you take out of 
, you get 
.
Put it together, and the solution is - 
.
Hope I helped!!
When you take
Put it together, and the solution is
Hope I helped!!
Step-by-step explanation:
Given
x² - 9x + 20 = 0
x² - ( 4 + 5) x + 20 = 0
x² - 4x - 5x + 20 = 0
x ( x - 4 ) - 5 (x - 4 ) = 0
(x - 4 ) ( x - 5 ) = 0
Either
x - 4 =0
x = 4
or
x - 5 =0
x = 5
x = 4 and 5
Hope it will help :)