(x-iy)(x-iy)=21

Simple and best practice solution for (x-iy)(x-iy)=21 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (x-iy)(x-iy)=21 equation: 


Simplifying
(x + -1iy)(x + -1iy) = 21

Reorder the terms:
(-1iy + x)(x + -1iy) = 21

Reorder the terms:
(-1iy + x)(-1iy + x) = 21

Multiply (-1iy + x) * (-1iy + x)
(-1iy * (-1iy + x) + x(-1iy + x)) = 21
((-1iy * -1iy + x * -1iy) + x(-1iy + x)) = 21

Reorder the terms:
((-1ixy + 1i2y2) + x(-1iy + x)) = 21
((-1ixy + 1i2y2) + x(-1iy + x)) = 21
(-1ixy + 1i2y2 + (-1iy * x + x * x)) = 21
(-1ixy + 1i2y2 + (-1ixy + x2)) = 21

Reorder the terms:
(-1ixy + -1ixy + 1i2y2 + x2) = 21

Combine like terms: -1ixy + -1ixy = -2ixy
(-2ixy + 1i2y2 + x2) = 21

Solving
-2ixy + 1i2y2 + x2 = 21

Solving for variable 'i'.

Reorder the terms:
-21 + -2ixy + 1i2y2 + x2 = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + -2ixy + 1i2y2 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| 3x-3=27-2x | | 5f=29 | | 4(x+2)=5(x-2) | | -1.5=15b | | -2=-10t | | 3.2=16t | | [2(3x-4)-(4x-2)]-4(x+10)=14x-20 | | 3x+15=21+7y | | 4x^3+0.4x^2-0.0000000066=0 | | x/2-x/4=2 | | 4p^2-4p+10=0 | | 2z+ix=4 | | 2c+9=15 | | 12k-10=86 | | 13+3(p-3)-5(2-p)=0 | | -10(3p-7q)+50q-30p=0 | | ax+y+1=a-x | | -2(p+3q)-2(6p-7q)=0 | | 7a(1+b)-a(4+b)=0 | | 7a(1+b)-4a(4+b)=0 | | 2x*x=100 | | 11-3(x+5)-6x=0 | | f(x)=2x^2-9x-35 | | 11+25-5=2x-5 | | 5/9x15 | | 25/0.03 | | 5ln(a)-2=0 | | 2a+3b+4a=50 | | sqrt(21x+1)+sqrt(13x-1)=4 | | c=2a+3b+c | | 2(a+b)-5(2a-b)=0 | | -30x+2=-4x^2+5x+11 |

Equations solver categories