Seudónimo Seudónimo

03-03-2017
Mathematics

contestada

Multiply And Simplify:

A: (b+2)(b+2)
B: (x+3)(x-3)

Also show work.

Respuesta :

socarrer socarrer

05-03-2017

A: Foil

(b+2)(b+2)=b²+2b+2b+4=b²+4b+4

B: Again, Foil

(x+3)(x-3)=x²+3x-3x-9=x²-9

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