កុំផ្លិច+ ដឹក្រេទី២

(2i+3)(3-i)

• 11 + 3i
• 9 + 5i
• 5 - 2i
• 6 + 4i

• (6-3i)/(4-1)
• (6+3i)/(4+1)

• (6-3i)/(4+1)

• (3-2i)/(4+1)

x²+3x+4=0

• x = (-3 + √7i) / 2
• x = (-3 - √7i) / 2
• x = (-3 ± √7i) / 2
• x = (-3 ± 7i) / 2

2x²+5x+2=0

• x = (-5 + √17) / 4

• x = -2; x=-1/ 4

• x = (-5 ± √17) / 4

• x = -2; x=-1/2

• (12-8i)/13

• (12+8i)/5

• (12-4i)/12-4

(5i+2)(2-i)

• 8 + i

• 8i -9

• 10 - 3i

• 9 + 8i

(3i+4)(2-i)

• 2 + 5i

• 8 - i

• 11 + 2i

• 6 + 5i

• (5-10i)/5

• (5+10i)/5

• (5-10i)/1

• (5+10i)/1

4x²+7x+2=0

• x = (-7 + √33) / 8

• x = (-7 - √33) / 8

• x = (-7 ± √11) / 8

• x = (-7 ± 11) / 8

(4i+5)(3-i)

• 15 + 7i

• 12 - 4i

• 17 + 2i

• 19+ 7i