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What do i do when im asked to (factor and expression) like 28-7x

Guest May 12, 2015

Best Answer 

 #2
avatar+17655 
+8

Factor out the largest number. 7 is the largest number that divides into both 28 and 7.

=  7(4 - 1x)

=  7(4 - x)

geno3141  May 12, 2015
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3+0 Answers

 #1
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factor the expression by setting it into primes

 

14*2-7x

7*2*2-7x

Guest May 12, 2015
 #2
avatar+17655 
+8
Best Answer

Factor out the largest number. 7 is the largest number that divides into both 28 and 7.

=  7(4 - 1x)

=  7(4 - x)

geno3141  May 12, 2015
 #3
avatar+91001 
+5

$$\\28-7x\\
=\textcolor[rgb]{0,0,1}{7}*4-\textcolor[rgb]{0,0,1}{7}*x\\
=\textcolor[rgb]{0,0,1}{7}(4-x)$$

Melody  May 12, 2015

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