haleybrown8888 haleybrown8888

03-10-2019
Mathematics

contestada

Simplify (-7+3i)^2+(-2+8i)
Show all work

Respuesta :

emily10898Emily10898 emily10898Emily10898

03-10-2019

Answer:

[tex](-7 + 3i)^{2} + (-2 + 8i) = 38 - 36i[/tex]

Step-by-step explanation:

(-7 + 3i)(-7 + 3i) + (-2 + 8i)

[tex]49 - 21i -21i + 9i^{2} = 49 - 42i -9 = 40 - 42i[/tex]

40 - 42i + (-2 + 8i)

38 - 36i

Answer Link

Otras preguntas

What is an equation of the line that passes through the points (-8, 2) and (-4, -3)?

A population of 50 deer are introduced into a wildlife sanctuary. It is estimated that the sanctuary can sustain up to 500 deer. Absent constraints, the populat

The autonomic nervous system mainly handles ______. A. thinking and remembering B. multiplication and division C. moving arm and leg muscles D. automatic ac

In line 19, the author refers to the Occupy Wall Street protesters as "losers." Does the author really think that the Occupy Wall Street protesters are "losers.

Can someone on here tell me how to manipulate equations so a variable cancels? I'm on "Solving Systems of an Equation Algebraically" Offering 25 points because

explain the importance of international date line

African American History of the Discrimination?

Given a right circular cone, you put an upside-down cone inside it so that its vertex is at the center of the base of the larger cone, and its base is parallel

Which is a correct rotation statement? a. Rotate triangle ABC 90 degrees clockwise using center A. b. Rotate triangle ABC 30 degrees counterclockwise using cent

What is the value of x for which (8-x)^2=x^2