rania5913 rania5913
  • 15-12-2018
  • Mathematics
contestada

If x= -5+6i and y= 3-2x, then which of the following is the value of the expression 4x-y

Respuesta :

gmany
gmany gmany
  • 19-12-2018

[tex]y=3-2x\\\\4x-y=4x-(3-2x)=4x-3+2x=6x-3\\\\\text{Put}\ x=-5+6i\ \text{to the expression}\ 6x-3:\\\\6(-5+6i)-3\qquad\text{use distributive property}\\\\=(6)(-5)+(6)(6i)\\\\=-30+36i\\\\Answer:\ \boxed{4x-y=-30+36i}[/tex]

Answer Link

Otras preguntas

3/8 times 4/11 I really need help please help me please
What does 3/5-2/3 equal
In a group of 60 children, there are twice as many boys as girls. How many girls are there?
the measure of an angle is 12 degrees less than its complement. What is the measure of the smaller angle in degrees?
The United States declared war on Japan in 1941 because of an attack on which location or group?
Which woman founded the National Association of Colored Women to help African American families and those who were less fortunate? Susan B. Anthony Ida B. Wel
what led to the creation of feudalism?
You have a limit of $300 that you can spend for a rental car on your vacation this summer. You have found a deal where you can rent a car for a daily rate of $3
an equation that states two ratios are equivalent
The chemical equation of photosynthesis includes 6O2. What does the small number after the O represent?