Operations Factoring and Solving with Complex Numbers

(-7 + 9i) + (2 - 10i)

• -5 + i

• -5 - i

• -9 + 1

• 9 - i

• A
• B
• C
• D

What is the simplifies form of (11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

Multiply
3i(-2 + 4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

(i)(3i)

• -3i

• -3

• 3

• 2i

• 1

• -i

• i

• -1

• i

• -i

• -1

• 1

Solve for x: 

• x = {-4, -1}

• x = {-1, -4}

• x = {2+i, 2-i}

• x = {-2+i, -2-i}

Solve for x: x² - 5x + 8 = 0

• x = (-5±i√7)/2

• x = (5±i√7)/2

• x = (8±i√7)/2

• x = (5±√57)/2

Solve for x: x² - 3x + 10 = 0

• x = -3±i√31

• x = (3±√49)/2

• x = 5, -2

• x = (3±i√31)/2