marlyman2 marlyman2

11-01-2021
Mathematics

contestada

Simply please will give brainlist to first right answer

Simply please will give brainlist to first right answer class=

Respuesta :

CSMedrano CSMedrano

11-01-2021

Answer:

12-14i

Step-by-step explanation:

[tex](-1-3i)(3+5i)\\\\=-1(3)-1(5i)-3i(3)-3i(5i)\\\\=-3-5i-9i-15i^2\\\\= -3-14i-15i^2\\\\[/tex]

here we know that i^2=-1

[tex]=-3-14i-15(-1)\\\\=-3-14i+15\\\\=12-14i[/tex]

Answer Link

Otras preguntas

a=v^2/r Solve the formula for r

For f(x) = 3х – 5 and g(x) = х2+ 2, find (f+ g)(x). ОА. ? + 3х – 7 ОВ. 3х2 – 30 Ос. 3х3 – 3 OD. х2 + 3х - з

can you help? photo is included

for the answer: The florist needs at least 1/3 gallons of nutrient rich water for each bushel of flowers he buys. If w is the gallons of water and f is the bush

question is-- Northern Tier Gardens has hired you for a summer job installing water gardens. they have circular water garden pools available in a variety of siz

Subtract 2x^2 -9x - 7 from 8x^2 -5x + 9.

Suppose that the market portfolio is equally likely to increase by 24% or decrease by 8%. Security "X" goes up on average by 29% when the market goes up and goe

Hi i need help on this im not that smart sorry, what is the x-intercept of the graph that is shown below

around 2.232 to the nearest hundredth

Match each sentence with the word that completes it correctly. Match Term Definition Mrs. Tremont has several ______ who love her science class. A) students' S