SOLUTION: Let u= -5i+9j, v=5i-j, and w=-5i. find 5u-(2v-w) (Type answer in terms of i and j)

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Question 724328: Let u= -5i+9j, v=5i-j, and w=-5i. find 5u-(2v-w)
(Type answer in terms of i and j)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
u= -5i+9j, v=5i-j, w=-5i

5u-(2v-w)

5(-5i+9j)-(2(5i-j)-(-5i))

5(-5i+9j)-(10i-2j+5i)

-25i+45j-10i+2j-5i

-40i+47j

Answer: -40i+47j