(3+4i)(7-2i)=0

Simple and best practice solution for (3+4i)(7-2i)=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 (3+4i)(7-2i)=0 equation:


Simplifying
(3 + 4i)(7 + -2i) = 0

Multiply (3 + 4i) * (7 + -2i)
(3(7 + -2i) + 4i * (7 + -2i)) = 0
((7 * 3 + -2i * 3) + 4i * (7 + -2i)) = 0
((21 + -6i) + 4i * (7 + -2i)) = 0
(21 + -6i + (7 * 4i + -2i * 4i)) = 0
(21 + -6i + (28i + -8i2)) = 0

Combine like terms: -6i + 28i = 22i
(21 + 22i + -8i2) = 0

Solving
21 + 22i + -8i2 = 0

Solving for variable 'i'.

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

Subproblem 1

Set the factor '(7 + -2i)' equal to zero and attempt to solve: Simplifying 7 + -2i = 0 Solving 7 + -2i = 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 + -2i = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2i = 0 + -7 -2i = 0 + -7 Combine like terms: 0 + -7 = -7 -2i = -7 Divide each side by '-2'. i = 3.5 Simplifying i = 3.5

Subproblem 2

Set the factor '(3 + 4i)' equal to zero and attempt to solve: Simplifying 3 + 4i = 0 Solving 3 + 4i = 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 + 4i = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4i = 0 + -3 4i = 0 + -3 Combine like terms: 0 + -3 = -3 4i = -3 Divide each side by '4'. i = -0.75 Simplifying i = -0.75

Solution

i = {3.5, -0.75}

See similar equations:

| 5+3x=5x-8 | | 3x-9y=-3 | | 9x-16=6x-4 | | (3-4i)(7+2i)=0 | | 8M+7=K | | 6=t-5.5 | | -12-8=2x-2 | | 3(x-2y)=-12 | | 81x=1701 | | 2x+2x+140=180 | | (3+4i)(7-2i)= | | -2.34n=-12.168 | | 0.875x-1.25=7 | | 8x-3-10x=-2(x-2)+3 | | 6x-2=3x-7 | | -(x+6)=3x | | X+74+51+x+71=180 | | Y=x^4-4x^3-10x-9 | | 2x^2-10z=-12 | | 11x+1+20+55=180 | | 2x-18.3=x+2.7 | | 7x+12=6x+11 | | 8x-1+7x+1+75=180 | | x=9-0.5y | | X^2+12+36= | | 4-(28+3)=n | | -6c+17c=-11 | | 5(v-1)-9=-2(-6v+5)-v | | -6c-17c=-11 | | (w)(w)(w)= | | 8z-4z=8 | | 7u-u=6 |

Equations solver categories