(9+6I)(7-4I)=

Simple and best practice solution for (9+6I)(7-4I)= 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 (9+6I)(7-4I)= equation: 


Simplifying
(9 + 6I)(7 + -4I) = 0

Multiply (9 + 6I) * (7 + -4I)
(9(7 + -4I) + 6I * (7 + -4I)) = 0
((7 * 9 + -4I * 9) + 6I * (7 + -4I)) = 0
((63 + -36I) + 6I * (7 + -4I)) = 0
(63 + -36I + (7 * 6I + -4I * 6I)) = 0
(63 + -36I + (42I + -24I2)) = 0

Combine like terms: -36I + 42I = 6I
(63 + 6I + -24I2) = 0

Solving
63 + 6I + -24I2 = 0

Solving for variable 'I'.

Factor out the Greatest Common Factor (GCF), '3'.
3(21 + 2I + -8I2) = 0

Factor a trinomial.
3((7 + -4I)(3 + 2I)) = 0

Ignore the factor 3.

Subproblem 1
Set the factor '(7 + -4I)' equal to zero and attempt to solve:

Simplifying
7 + -4I = 0

Solving
7 + -4I = 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 + -4I = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -4I = 0 + -7
-4I = 0 + -7

Combine like terms: 0 + -7 = -7
-4I = -7

Divide each side by '-4'.
I = 1.75

Simplifying
I = 1.75

Subproblem 2
Set the factor '(3 + 2I)' equal to zero and attempt to solve:

Simplifying
3 + 2I = 0

Solving
3 + 2I = 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 + 2I = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2I = 0 + -3
2I = 0 + -3

Combine like terms: 0 + -3 = -3
2I = -3

Divide each side by '2'.
I = -1.5

Simplifying
I = -1.5
Solution
I = {1.75, -1.5}

See similar equations:

| 24x^2+2x+3=0 | | 9p+5h=81 | | 3(a-1)=4(a+1.5) | | -1/8(x-4)=-9 | | 3*n=75 | | 11(3B-5)=11 | | x+8.5=10.5 | | 5(-x+2)=-3(7x+2)+8 | | (n-14)=3n | | 31.63=6g+3.61 | | -4/5f=-3 | | 39=15+r | | 3/4n=5.25 | | 3n^2+14n-24=0 | | 0.6x+0.75=0.583 | | x*x=-9x+-3 | | x=a(1-x)+1 | | x+0.25x+0.015x=100 | | x=-9x-3 | | 3-6xa=21 | | x-(.36x)=25000000 | | 8x+1(-3x+7)=17 | | -4(3k+5)=-16k | | m(x)=6x^4-17x^3+8x^2-3 | | (.36x)+x=25000000 | | 5x^2+15x+28=0 | | x=-9x-5 | | 3y-18=-5y+36 | | c=1.5h+3 | | (.36x)+x=2500000 | | 4y+1-y=10 | | 2x^2-(m-1)x+(m+1)=0 |

Equations solver categories