How will we get                          (2x² - 8)(x² - 8x + 16)       when we multiply (2x² - 8)(x - 4)²

Asked by nishabr7 | 18th Jul, 2018, 06:13: PM

Expert Answer:

begin mathsize 16px style left parenthesis 2 straight x squared space minus space 8 right parenthesis space left parenthesis straight x space minus space 4 right parenthesis squared space
equals space left parenthesis 2 straight x squared space minus space 8 right parenthesis space left parenthesis straight x squared space minus space 8 straight x space plus space 16 right parenthesis space...... since comma space left parenthesis space straight a space minus space straight b right parenthesis squared space equals space straight a squared space minus space 2 ab space plus space straight b squared end style

Answered by Yasmeen Khan | 19th Jul, 2018, 10:34: AM

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