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January 26, 2015

January 26, 2015

Posted by **Shamira** on Wednesday, October 27, 2010 at 6:49pm.

x+4(y+8x)

Write the property that justifies each step.

- math -
**jai**, Wednesday, October 27, 2010 at 8:26pmi interpreted this into two ways. first,

x+4(y+8x)

distribute 4 to each term inside the parenthesis (you multiply 4 to each):

x + 4y + 32x

then add similar terms (terms containing same variable):

33x + 4y

second interpretation,

(x+4)(y+8x)

use FOIL method:

F-first terms in both parenthesis will be multiplied, (x and y)

O-outer terms in both parenthesis will be multiplied, (x and 8x)

I-inner terms in both parenthesis will be multiplied, (4 and y)

L-last terms in both parenthesis will be multiplied, (4 and 8x),, then add them all.

thus:

xy + 8x^2 + 4y + 32x

so there,, :)

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