(x+6)(x-4)(×-2)

Asked by Aysha | 3rd Jan, 2018, 06:23: PM

Expert Answer:

begin mathsize 16px style left parenthesis straight x plus 6 right parenthesis left parenthesis straight x minus 4 right parenthesis left parenthesis straight x minus 2 right parenthesis
equals left parenthesis straight x squared minus 4 straight x plus 6 straight x minus 24 right parenthesis left parenthesis straight x minus 2 right parenthesis
equals left parenthesis straight x squared plus 2 straight x minus 24 right parenthesis left parenthesis straight x minus 2 right parenthesis
equals straight x cubed minus 2 straight x squared plus 2 straight x squared minus 4 straight x minus 24 straight x plus 48
equals straight x cubed minus 28 straight x plus 48 end style

Answered by Rashmi Khot | 4th Jan, 2018, 11:49: AM