How do you simplify #6i*-4i+8#?

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Answer 1 · 2016-12-26T12:44:22

#48i + 24#

multiply each number separately:

#6i * -4i = -24 * i^2 = -24 * -1#

#= 24#

#6i * 8 = 48 * i#

#= 48i#

add the two products:

#24 + 48 i = 48i + 24#