For `i=sqrt(-1)`, what is the result of subtracting `(2+4i)` from `(-5+6i)` ?

The result of subtraction of sqrt5 from sqrt(125) is

What is the result of the multiplication (5-6i) (3+3i) ? (Note: i = sqrt(-1))

Given that I = sqrt-1, what is the product of (2-4i+ 2i^(2))/(2)and (1)/(1-i) ?

Given that i = sqrt(-1), which of the following is equivalent to (6i^(2)-7i)+ (3+6i) ?

(3+4i)-(2+3i) Given that I = sqrt-1, what is the value of the expression above ?

If i=sqrt(-1) , then (7+5i)(-2-6i)=

(4i^(2)-6i)-(3+10i) For i=sqrt(-1) , which of the following complex numbers is equal to the expressions above?

What is the value of (2+8i)(1-4i)-(3-2i)(6+4i)?

Perform the indicated operations and write the result in the form x + iy : (1- 2i) -i + (4- 7i)-2i + (5i + 3) .

Perform the indicated operations and write the result in the form x+iy: (i) (-3+2i)+(-6+3i) (ii) ((1)/(2)+(7)/(2)i)-(4+(5)/(2)i) (iii) (1-2i)-i+(4-7i)-2i+(5i+3) .