$< 8,-20 > $
Work Step by Step
$-4u=-4\left( < -2,5 > \right) = < \left( \left( -2\right) \times \left( -4\right) \right) ,\left( 5\times \left( -4\right) \right) > = < 8,-20 > $
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.