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begin mathsize 12px style Factorise colon
straight a squared minus 3 straight a squared minus straight a plus 3 end style

Asked by Topperlearning User 4th August 2017, 11:54 AM
Answered by Expert
Answer:

begin mathsize 12px style straight a squared minus 3 straight a squared minus straight a plus 3
equals straight a squared minus straight a minus 3 straight a squared plus 3
equals straight a left parenthesis straight a minus 1 right parenthesis minus 3 left parenthesis straight a squared minus 1 right parenthesis
equals straight a left parenthesis straight a minus 1 right parenthesis minus 3 left parenthesis straight a minus 1 right parenthesis left parenthesis straight a plus 1 right parenthesis
equals left parenthesis straight a minus 1 right parenthesis left square bracket straight a minus 3 left parenthesis straight a plus 1 right parenthesis space right square bracket
equals left parenthesis straight a minus 1 right parenthesis left parenthesis straight a minus 3 straight a minus 3 right parenthesis
equals left parenthesis straight a minus 1 right parenthesis left parenthesis negative 2 straight a minus 3 right parenthesis
equals left parenthesis 1 minus straight a right parenthesis left parenthesis 2 straight a plus 3 right parenthesis end style

Answered by Expert 4th August 2017, 1:54 PM
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