oumeribnfuad oumeribnfuad

01-02-2020
Mathematics

contestada

(4-5i)(3-6i) tell me the answer

Respuesta :

devishri1977 devishri1977

01-02-2020

Answer:

Step-by-step explanation:

(4-5i)(3-6i) = 4*(3-6i) - 5i(3 - 6i)

= 4*3 - 4*6i - 5i*3 + 5i*6i

= 12 - 24i - 15i + 30i²

= 12 - 39i + 30 * (-1) {i² = -1}

= 12 -30 - 39i

= -18 - 39i

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