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joshisabeast

  • 3 years ago

simplify this expression (-4-9i)+(5-7i)

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  1. lilg132
    • 3 years ago
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    open the brackets up -4 -9i + 5 - 7i put the numbers together and the letters together -9i - 7i + 5 - 4 gives you -16i + 1

  2. jim_thompson5910
    • 3 years ago
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    You just group and combine like terms (-4-9i)+(5-7i) -4-9i+5-7i (-4+5)+(-9i-7i) (1)+(-16i) 1-16i

  3. joshisabeast
    • 3 years ago
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    thank you u r both life savers

  4. lilg132
    • 3 years ago
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    dont forget to click best response on us both then =P

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