emilyreigh2004 emilyreigh2004

13-11-2018
Mathematics

contestada

tc + sc - td - sd = ?

A) tscd
B) (t + s)(c - d)
C) (t - s)(c - d)
D) (t - s)(c - d)

(its not A)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

13-11-2018

tc + sc - td - sd = ?

tc-td + sc -sd

t(c-d) +s(c-d)

factor out the c-d

(c-d)(t+s)

Choice B

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