simplify the following expressions

colette

New member
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Aug 14, 2007
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2
1. -7+3(3j-4)-5(2j+3)+7

2.-(8b+3) +2(5b-7)-3(-2b-3)
thanks
 

skeeter

Senior Member
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Dec 15, 2005
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2,396
colette said:
1. -7+3(3j-4)-5(2j+3)+7

distribute the 3(3j-4) and the -5(2j-3) ...
-7 + 9j - 12 - 10j - 15 + 7
collect like terms ...
-j - 27 or -(j + 27)
and you're done.

now ... you do the 2nd one.


2.-(8b+3) +2(5b-7)-3(-2b-3)
 

colette

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Aug 14, 2007
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2
thanks! I got both right!!!!
 
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