i(7+9i)(7-9i)=0

Simple and best practice solution for i(7+9i)(7-9i)=0 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 i(7+9i)(7-9i)=0 equation: 


Simplifying
i(7 + 9i)(7 + -9i) = 0

Multiply (7 + 9i) * (7 + -9i)
i(7(7 + -9i) + 9i * (7 + -9i)) = 0
i((7 * 7 + -9i * 7) + 9i * (7 + -9i)) = 0
i((49 + -63i) + 9i * (7 + -9i)) = 0
i(49 + -63i + (7 * 9i + -9i * 9i)) = 0
i(49 + -63i + (63i + -81i2)) = 0

Combine like terms: -63i + 63i = 0
i(49 + 0 + -81i2) = 0
i(49 + -81i2) = 0
(49 * i + -81i2 * i) = 0
(49i + -81i3) = 0

Solving
49i + -81i3 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), 'i'.
i(49 + -81i2) = 0

Factor a difference between two squares.
i((7 + 9i)(7 + -9i)) = 0


Subproblem 1
Set the factor 'i' equal to zero and attempt to solve:

Simplifying
i = 0

Solving
i = 0

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

Simplifying
i = 0

Subproblem 2
Set the factor '(7 + 9i)' equal to zero and attempt to solve:

Simplifying
7 + 9i = 0

Solving
7 + 9i = 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 + 9i = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 9i = 0 + -7
9i = 0 + -7

Combine like terms: 0 + -7 = -7
9i = -7

Divide each side by '9'.
i = -0.7777777778

Simplifying
i = -0.7777777778

Subproblem 3
Set the factor '(7 + -9i)' equal to zero and attempt to solve:

Simplifying
7 + -9i = 0

Solving
7 + -9i = 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 + -9i = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -9i = 0 + -7
-9i = 0 + -7

Combine like terms: 0 + -7 = -7
-9i = -7

Divide each side by '-9'.
i = 0.7777777778

Simplifying
i = 0.7777777778
Solution
i = {0, -0.7777777778, 0.7777777778}

See similar equations:

| 2x+5-4(x+1)=6x+8 | | 2x+4=6x-7 | | 16a+18b+5c+5c-4b-2a= | | 0.75x+0.05(20-x)= | | 42=3(2w-3h) | | 16+r=4(r+1) | | 41x(x)-12x+48=4x(x)(x)(x)-3x(x)-64x-48 | | 2(x+1)+4(4x+5)=92 | | X+3x=x+x+11 | | 66x+2484x-73=51(50x+40) | | 41x(x)-12x+48=4x(x)(x)(x)-3x(x) | | 3(1.5c+4)=-1 | | 41x(x)-12x+48=4x(x)(x)(x) | | (3x+1)=85 | | 8-8*2+3=0 | | 19x+.5ax=x+9 | | 3(3x+4)+97=11x+10-2x+99 | | 7x-y=43 | | 108+6x=180 | | 6(x+1)=6+7x | | 14p+15q+p-5q-7p= | | 5(c+3)=2(2c+11) | | 0.16(12)+0.04x=0.08(18+x) | | -2(6y-6)-y=-3(y-3) | | 4(x+6)-2(5-7x)= | | 11-5x=-7x+17 | | 4x-2y-12=0 | | 8x+6=abc | | -6=1-2n+5 | | (5n)*(5n)= | | 8-x=(x+6)(x+6) | | -b^5+2b^4-8= |

Equations solver categories