Respuesta:
147 + 313i
Explicación paso a paso:
25(5 + 12i) + (2 + 3i) (5 + 7i) - (3 + 4i) (5 - 12i)
(125 + 300i) + (10 + 14i + 15i + 21i²) - (15 - 36i + 20i - 48i²)
125 + 300i + 10 + 14i + 15i + 21i² - 15 - 36i + 20i - 48i²
120 + 313i - 27i²
120 + 313i - 27(-1)
120 + 313i + 27
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Respuesta:
147 + 313i
Explicación paso a paso:
25(5 + 12i) + (2 + 3i) (5 + 7i) - (3 + 4i) (5 - 12i)
(125 + 300i) + (10 + 14i + 15i + 21i²) - (15 - 36i + 20i - 48i²)
125 + 300i + 10 + 14i + 15i + 21i² - 15 - 36i + 20i - 48i²
120 + 313i - 27i²
120 + 313i - 27(-1)
120 + 313i + 27
147 + 313i