How do you multiply # (x - 3)^2#?

1 Answer
Tony B
Jun 22, 2016

#x^2-6x+9#

Explanation:

Write as #color(blue)((x-3))color(brown)((x-3))#

Multiply everything in the brown brackets by everything in the blue brackets.

Note that he minus sign of #color(blue)(-3)# follows the #color(blue)(3)#

#color(blue)(xcolor(brown)((x-3))" "-3color(brown)((x-3)))#

#x^2-3x" "-3x+9#

#x^2-6x+9#

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