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OpenStudy (anonymous):
Simplify (9 - 5i) - (4 + 10i)
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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
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OpenStudy (anonymous):
ahh i see my mistake thank you
OpenStudy (karatechopper):
ok so then solve this..... -1(4+10i)
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