I have
And to solve a binomial problem I need the x part in form (1 +/- x) - ie I need a positive 1.
I can get to:
But how can I remove one bracket so I am left with one bracket? The squaring makes it positive so am a bit stuck.
Angus
I have
And to solve a binomial problem I need the x part in form (1 +/- x) - ie I need a positive 1.
I can get to:
But how can I remove one bracket so I am left with one bracket? The squaring makes it positive so am a bit stuck.
Angus