funmilayoogunwemimo funmilayoogunwemimo
  • 23-06-2020
  • Mathematics
contestada

(1-√-4)(-3-√-25) with steps pls

Respuesta :

Centio33
Centio33 Centio33
  • 23-06-2020

Answer:-14

Step-by-step explanation:

(1-√-4)(-3-√-25)

[(1*-3)-(1*√-25)-(√-4*-3)-(√-4*√-25)]

(-3)-(-5)-(6)-(10)

-14

Answer Link
09pqr4sT
09pqr4sT 09pqr4sT
  • 23-06-2020

Answer:

[tex]-13+i[/tex]

Step-by-step explanation:

[tex](1-\sqrt{-4} )(-3-\sqrt{-25} )[/tex]

[tex]\left(1-2i\right)\left(-3-5i\right)[/tex]

[tex]\left(1\times \left(-3\right)-\left(-2\right)\left(-5\right)\right)+\left(1\times \left(-5\right)+\left(-2\right)\left(-3\right)\right)i[/tex]

[tex]=-13+i[/tex]

Answer Link

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