Question

Find A + B. Be sure to show your work.

Answer 1

|a|=4•(-4)-(-4)•2
|a|=-4•4-(-4)•2
|a|=-4•4+4•2
|a|=4(-4+2)
|a|=4•(-2)
|a|=-8
|b|=2•6-(-4)•(-4)
|b|=12-(-4)•(-4)
|b|=12+4•(-4)
|b|=12-16
|b|=-4