(3+5i)(-4+7i)=

Simple and best practice solution for (3+5i)(-4+7i)= 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+5i)(-4+7i)= equation:


Simplifying
(3 + 5i)(-4 + 7i) = 0

Multiply (3 + 5i) * (-4 + 7i)
(3(-4 + 7i) + 5i * (-4 + 7i)) = 0
((-4 * 3 + 7i * 3) + 5i * (-4 + 7i)) = 0
((-12 + 21i) + 5i * (-4 + 7i)) = 0
(-12 + 21i + (-4 * 5i + 7i * 5i)) = 0
(-12 + 21i + (-20i + 35i2)) = 0

Combine like terms: 21i + -20i = 1i
(-12 + 1i + 35i2) = 0

Solving
-12 + 1i + 35i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(-3 + -5i)(4 + -7i) = 0

Subproblem 1

Set the factor '(-3 + -5i)' equal to zero and attempt to solve: Simplifying -3 + -5i = 0 Solving -3 + -5i = 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 + -5i = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5i = 0 + 3 -5i = 0 + 3 Combine like terms: 0 + 3 = 3 -5i = 3 Divide each side by '-5'. i = -0.6 Simplifying i = -0.6

Subproblem 2

Set the factor '(4 + -7i)' equal to zero and attempt to solve: Simplifying 4 + -7i = 0 Solving 4 + -7i = 0 Move all terms containing i to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7i = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7i = 0 + -4 -7i = 0 + -4 Combine like terms: 0 + -4 = -4 -7i = -4 Divide each side by '-7'. i = 0.5714285714 Simplifying i = 0.5714285714

Solution

i = {-0.6, 0.5714285714}

See similar equations:

| 6*n+4=x-11 | | 8h^2-2h=21 | | 11/2x+3/4=2 | | 4x^2+5x-81=0 | | 4(6-7x)-6=-3x-8-25x | | 5(n-2)+36=-4 | | -15a^2+-9=0 | | 6n^2-20=n | | 4=2n | | -24=93.333+48y | | (4x^9)(-4x^3)(3x^2)= | | 1.5x+3/4=2 | | -20n=180 | | -8.5c-4.5+8c=16.5 | | n-32=51 | | Six-X=15 | | (-3x-5)=6 | | 8x+15=-89 | | 6,581,372*1000= | | 8n+2= | | 26+n=34 | | 3.3y+3=4y-8 | | 8x+15=-84 | | 5a+2a-3=18 | | 35+20x=307.50 | | 5x-123=3x | | y=x^4-6x^3+5 | | 4+8v+1-12= | | (-8)(4i)(-7-8i)= | | 3.3x+3=4x-8 | | -5n+14=-7n+2 | | 0=x^2+5x+6+2x^2+4x |

Equations solver categories