(-7-5i)(-7+5i)=74

Simple and best practice solution for (-7-5i)(-7+5i)=74 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 (-7-5i)(-7+5i)=74 equation:


Simplifying
(-7 + -5i)(-7 + 5i) = 74

Multiply (-7 + -5i) * (-7 + 5i)
(-7(-7 + 5i) + -5i * (-7 + 5i)) = 74
((-7 * -7 + 5i * -7) + -5i * (-7 + 5i)) = 74
((49 + -35i) + -5i * (-7 + 5i)) = 74
(49 + -35i + (-7 * -5i + 5i * -5i)) = 74
(49 + -35i + (35i + -25i2)) = 74

Combine like terms: -35i + 35i = 0
(49 + 0 + -25i2) = 74
(49 + -25i2) = 74

Solving
49 + -25i2 = 74

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-49' to each side of the equation.
49 + -49 + -25i2 = 74 + -49

Combine like terms: 49 + -49 = 0
0 + -25i2 = 74 + -49
-25i2 = 74 + -49

Combine like terms: 74 + -49 = 25
-25i2 = 25

Divide each side by '-25'.
i2 = -1

Simplifying
i2 = -1

Reorder the terms:
1 + i2 = -1 + 1

Combine like terms: -1 + 1 = 0
1 + i2 = 0

The solution to this equation could not be determined.

See similar equations:

| 5x+5+65=115 | | 8v-2=v+9 | | -6=21+9 | | 16=14k | | -5(8n+3)-n=-220 | | 1.2c=6 | | (7+5i)(7-5i)=74 | | -21+2y=-5 | | 1450x-105.75=825x+144.25 | | 5a+b-c=8forb | | -4x-7(4x+14)=158 | | 8v-2=8v+2 | | 4(2x^2)-5x^2=300 | | -x*2+7x+11=0 | | 20+3xy-3xy+y^2+10-y^2= | | x*8= | | 74=(-7-5i)(-7+5i) | | 74=(-7-5i)(-7+5i) | | 23-y=y-5 | | -z+8=4 | | (8x-18)=(2x+5)2 | | 4x^2-5x^2=192 | | w-7d=1 | | 148=4(8b+5) | | y+1=-9 | | 5x+50=50 | | 6u-10=66 | | -4(p-8)=100 | | 1.7x+10x-12x= | | 5.125(6x+8)+3x=5x+25 | | 1+8x=7x+7 | | 8t+4t= |

Equations solver categories