haleybrown8888
haleybrown8888 haleybrown8888
  • 03-10-2019
  • Mathematics
contestada

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

Respuesta :

emily10898Emily10898
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

Given the equation representing a reaction at equilibrium: N2(g) + 3H2(g)==> 2NH3(g) + energy Which change causes the equilibrium to shift to the right? (1)
What are adaptations of the baobob tree
a chef prepared five chocolate tortes for a dinner party. the guest consumed 2 5/16 tortes. how many tortes are left?
Given the balanced equation representing a reaction: CH3CH2CH3 + Br2==> CH3CH2CH2Br + HBr This organic reaction is best classified as (1) an addition reactio
Which trends are observed as each of the elements within Group 15 on the Periodic Table is considered in order from top to bottom? (1) Their metallic properties
the central marketplace of an athenian city was called…? a) agora b) polis c) parthenon d) acropolis
the sum of 1/9 2/3 and 5/8 is
why might some presidents have used the veto power frequently, while others have not used it very often?
Atoms of one element are converted to atoms of another element through (1) fermentation (3) polymerization (2) oxidation (4) transmutation
How do you figure out permutations?