(8+9i)(2+i)=

Simple and best practice solution for (8+9i)(2+i)= 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 (8+9i)(2+i)= equation:


Simplifying
(8 + 9i)(2 + i) = 0

Multiply (8 + 9i) * (2 + i)
(8(2 + i) + 9i * (2 + i)) = 0
((2 * 8 + i * 8) + 9i * (2 + i)) = 0
((16 + 8i) + 9i * (2 + i)) = 0
(16 + 8i + (2 * 9i + i * 9i)) = 0
(16 + 8i + (18i + 9i2)) = 0

Combine like terms: 8i + 18i = 26i
(16 + 26i + 9i2) = 0

Solving
16 + 26i + 9i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(2 + i)(8 + 9i) = 0

Subproblem 1

Set the factor '(2 + i)' equal to zero and attempt to solve: Simplifying 2 + i = 0 Solving 2 + i = 0 Move all terms containing i to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + i = 0 + -2 Combine like terms: 2 + -2 = 0 0 + i = 0 + -2 i = 0 + -2 Combine like terms: 0 + -2 = -2 i = -2 Simplifying i = -2

Subproblem 2

Set the factor '(8 + 9i)' equal to zero and attempt to solve: Simplifying 8 + 9i = 0 Solving 8 + 9i = 0 Move all terms containing i to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 9i = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 9i = 0 + -8 9i = 0 + -8 Combine like terms: 0 + -8 = -8 9i = -8 Divide each side by '9'. i = -0.8888888889 Simplifying i = -0.8888888889

Solution

i = {-2, -0.8888888889}

See similar equations:

| 25x+7-27x=4-7 | | y=-6+1.5y | | 4x+6=2x-10-15x | | 2(3x+5)+22x=66 | | 7(a+2)/3=3a+4 | | X^3-x^2-34x-56=0 | | 2x^3-4x+5x+8atx=2 | | 4(t-5)=2t+6 | | 4-4=8x+4x | | x=-10(1-9x)+6(x-10) | | 2x+3y=609 | | 7w+17=2(w+6) | | 10(13p+8)=-50 | | 15.0m^2=3.14r^2 | | 2p+8=6-(10p+5) | | X^4-4*x-1=0 | | 5(w-8)=-3w+16 | | -3(r+5)=-46 | | 9x=3y-21 | | 3(1-3y)-5y=11 | | 12(3x-5)=12(2x+3) | | 12.5+y=29 | | -2f=12-f | | 3x-5(-2)=11 | | 18-14k-2k=18 | | -9x=-2x-14 | | 2x*15*4x=0 | | lg(3x+10)=2lgx | | 3+66x=33x+9 | | 0.6n+4=10 | | 4v+38=-2(v-1) | | x/6-8=-8 |

Equations solver categories