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25-10-2017
Mathematics

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Perform the indicated operations. Write the answers in standard form, a + bi

(6+3i)(-7-5i)=

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25-10-2017

Use the "FOIL" method to multiply these 2 binomials together.

(6+3i)(-7-5i) = -42 - 30i - 21i + 15. Combining like terms, -27 - 51i (answer)

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