gellyled gellyled

10-09-2021
Mathematics

contestada

Simplify the expression to a + bi form:
(-6 - 9i)(-11 + 7i)

Respuesta :

27nalhalawi 27nalhalawi

10-09-2021

Answer:

129+57i

Step-by-step explanation:

Answer Link

ghaithgh ghaithgh

10-09-2021

[tex]( - 6 - 9i)( - 11 + 7i) \\ = 66 - 42i + 99i - 63 {i}^{2} \\ = 66 + 57i + 63 \\ = 129 + 57i[/tex]

I hope I helped you^_^

Answer Link

Otras preguntas

1 point28. Malcolm is tiling his kitchen wall. The kitchen wall isrectangular in shape measuring 700cm by 200cm. Each tileis 50 cm by 50 cm. How many tiles does

i just need help pls

helppppp meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

PLEASE HELP Solve for x: -7 06 0-6 >x>9 06 >x>-9 O-6 Question 9 Multiple Choice Worth 1 points)

REAL NO CAP OR SCAMS Which of the following sentences is grammatically correct? Las espinacas son sanas Las espinacas son sanes Las espinacas son sanos Las espi

On December 31, Strike Company sold one of its batting cages for $22,877. The equipment had an initial cost of $254,189 and had accumulated depreciation of $228

3- Resolvé los siguientes cálculos. A- (-2)³+10= b- 21-4²= c- -5²+31= d- (-3)³+5²= e- 10²-9²= f- (-2)⁴-4²= g- (-7+2)²-10²= h- -8²+(6-9)⁴=

what are the most and least risky bonds in this list. 1 being most risk, 9 being least risky municipal bond 20 year municipal bond 10 year corporate bond 10 yea

Calcula el área de un rombo cuya diagonal mayor mide 10 cm y cuya diagonal menor es la mitad de la mayor.

What does an author use to control the pacing of a story