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

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


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

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

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

Solving
74 = 49 + -25i2

Solving for variable 'i'.

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

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

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

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

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

Combine like terms: 49 + -74 = -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:

| 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= | | z-9=1 | | 6x-5=.5x-3 | | (v-7su^2)(v+su^2)=0 | | 3x+x+4=18+x | | -4-6y=21 | | 9sin^2x=4 | | 25=-6t^2+30t+1 | | 57=2(6)+2w | | 60-3n=n | | 12(6x+8)+3x=5x+25 | | 7+x-5=8 | | 88=5w+13 | | (b-2ya^2)(3b-3ya^2)=0 | | 3+5.3x=1 | | -6n-152=-26 | | 7h-4=24 | | 2x+4y^2-6y^2-9+1-x+3x= |

Equations solver categories