(6-4i)^2 how do i do this
1 answer:
(6 - 4i)²
use square of difference;
6² - 2 × 6 × 4i + (4i)²
use multiplication distributive property;
36 - 2 × 6 × 4i + 4²i²
36 - 2 × 6 × 4i + 16i²
36 - 2 × 6 × 4i + 16 × -1
36 - 48i + 16 × -1
36 - 48i - 16
(36 - 16) - 48i
20 - 48i
hope that helps, God bless!
You might be interested in
The equation would be y = (x+4)² + 7
Because adding 4 to 'x' creates a transformation 4 units left and adding 7 to the whole function moves the parabola up 7
Hope this helps!
Answer:
x = 4
Step-by-step explanation:
∆ABC ~ ∆DEF
--> AB/DE = BC/EF
--> x / 3 = 8 / 6
--> x / 3 = 4 / 3
--> x = 4
False -11 is furter on the number line then -1
Answer:
- 4 cot ( - 45 )
cos ( 390 )
sin ( 330 )
