(7+i)(3+8i)=

Simple and best practice solution for (7+i)(3+8i)= 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+i)(3+8i)= equation:


Simplifying
(7 + i)(3 + 8i) = 0

Multiply (7 + i) * (3 + 8i)
(7(3 + 8i) + i(3 + 8i)) = 0
((3 * 7 + 8i * 7) + i(3 + 8i)) = 0
((21 + 56i) + i(3 + 8i)) = 0
(21 + 56i + (3 * i + 8i * i)) = 0
(21 + 56i + (3i + 8i2)) = 0

Combine like terms: 56i + 3i = 59i
(21 + 59i + 8i2) = 0

Solving
21 + 59i + 8i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(7 + i)(3 + 8i) = 0

Subproblem 1

Set the factor '(7 + i)' equal to zero and attempt to solve: Simplifying 7 + i = 0 Solving 7 + i = 0 Move all terms containing i to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + i = 0 + -7 Combine like terms: 7 + -7 = 0 0 + i = 0 + -7 i = 0 + -7 Combine like terms: 0 + -7 = -7 i = -7 Simplifying i = -7

Subproblem 2

Set the factor '(3 + 8i)' equal to zero and attempt to solve: Simplifying 3 + 8i = 0 Solving 3 + 8i = 0 Move all terms containing i to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 8i = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 8i = 0 + -3 8i = 0 + -3 Combine like terms: 0 + -3 = -3 8i = -3 Divide each side by '8'. i = -0.375 Simplifying i = -0.375

Solution

i = {-7, -0.375}

See similar equations:

| 4x+6=3(x+1)-4 | | 9n-6n+3n=324 | | f(x)=x^4+5x | | 20-2(x+4)=-38 | | y=(a+b+c)(cd) | | -4x-2-1=-19 | | -2500-4.05x=-300 | | 3n-7n-9n=416 | | -v+1=17 | | 8-9m=-73 | | -12n+7n=-65 | | 9x-5x^2=5x-10 | | -6(-5+6m)-5m=-93 | | 9x^4+18x^2+8=0 | | -11.2x+1.6=-38-1.3x | | -5(3b-2)-b=74 | | 3(y-4)-2(y-5)=6y-2(y-5) | | 4n-15=53 | | -k-2(2+6k)=61 | | 35x^2-34xy+8y^2=0 | | 102=2x+6(3x-13) | | 4+4(4x+3)=112 | | 3y(2+y)=y(3y-2)-24 | | 6n-4n+n=54 | | 3(21+5x)=47 | | p-5(5p+4)=100 | | 4(6x-3)=132 | | -7y+18y=125 | | 2x^2-x+27=0 | | -4.6x+1.5=28.5-1.6x | | 45-5x=5-9x | | 5n=36-n |

Equations solver categories