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

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


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

Multiply (-4 + 5i) * (-7 + 4i)
(-4(-7 + 4i) + 5i * (-7 + 4i)) = 0
((-7 * -4 + 4i * -4) + 5i * (-7 + 4i)) = 0
((28 + -16i) + 5i * (-7 + 4i)) = 0
(28 + -16i + (-7 * 5i + 4i * 5i)) = 0
(28 + -16i + (-35i + 20i2)) = 0

Combine like terms: -16i + -35i = -51i
(28 + -51i + 20i2) = 0

Solving
28 + -51i + 20i2 = 0

Solving for variable 'i'.

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


Subproblem 1
Set the factor '(4 + -5i)' equal to zero and attempt to solve:

Simplifying
4 + -5i = 0

Solving
4 + -5i = 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 + -5i = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -5i = 0 + -4
-5i = 0 + -4

Combine like terms: 0 + -4 = -4
-5i = -4

Divide each side by '-5'.
i = 0.8

Simplifying
i = 0.8

Subproblem 2
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
Solution
i = {0.8, 1.75}

See similar equations:

| -3/11(x)=12 | | (-4+5i)(-7+4i)=0 | | -3x+4+x+2=-3(x+4)+17 | | x-(9-x)=20 | | 1/3s-s=14/3 | | 3(-2-x)=5(2x-7)+2 | | 1/3s-s | | 2/3(c-18=7 | | 3(-2-x)=5(2x-7)+3 | | 1/12b=18 | | 6cos^2-3=0 | | x^2+6x=44 | | -3d=4d+10-2d | | 2x+12=6+2x | | X(6)=78 | | X(6)=77 | | 5/12x−3/4(x−3)=1/6(2x−7) | | 2+35=5x-22 | | 15d=28 | | 2-2b=-4 | | 5t+90-3t-24=100 | | 2(3x-4)+6=2x-16 | | 25+9y-7+12y=81 | | (7+9i)+(7-8i)= | | c=15n+385 | | 2(x+5)-13x=3(x+2)+2x | | 34+r=4(8r-7) | | 2n^2/3*3n^3/4 | | -x/4=-27 | | 14+16(2)= | | -2(x-2)-2=5(x+3)+36 | | 180+92x=250+75x |

Equations solver categories