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OpenStudy (anonymous):
Write the sum or difference in the standard form a + bi. ( 7 + 5i) - ( -9 + i)
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OpenStudy (anonymous):
Its kind of just combining like terms, pretend like there are no parentheses there. Just remember to first distribute the negative sign to the rest of the second parentheses,
OpenStudy (anonymous):
so would i get 16+4i ?
OpenStudy (anonymous):
Perfect!
OpenStudy (anonymous):
thank you :)
OpenStudy (anonymous):
No problem
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