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Mathematics 8 Online
OpenStudy (anonymous):

Simplify (9 - 5i) - (4 + 10i)

OpenStudy (karatechopper):

subtraction sign..STOP! RED LIGHT!

OpenStudy (karatechopper):

that subtraction sign = -1

OpenStudy (karatechopper):

do you know distributive property?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

9-5i-4-10i = 5-15i

OpenStudy (anonymous):

ahh i see my mistake thank you

OpenStudy (karatechopper):

ok so then solve this..... -1(4+10i)

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