1. -7+3(3j-4)-5(2j+3)+7 2.-(8b+3) +2(5b-7)-3(-2b-3) thanks
C colette New member Joined Aug 14, 2007 Messages 2 Aug 14, 2007 #1 1. -7+3(3j-4)-5(2j+3)+7 2.-(8b+3) +2(5b-7)-3(-2b-3) thanks
skeeter Elite Member Joined Dec 15, 2005 Messages 3,215 Aug 14, 2007 #2 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) Click to expand...
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) Click to expand...