2i^2-26i-41=0

Simple and best practice solution for 2i^2-26i-41=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 2i^2-26i-41=0 equation:


Simplifying
2i2 + -26i + -41 = 0

Reorder the terms:
-41 + -26i + 2i2 = 0

Solving
-41 + -26i + 2i2 = 0

Solving for variable 'i'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-20.5 + -13i + i2 = 0

Move the constant term to the right:

Add '20.5' to each side of the equation.
-20.5 + -13i + 20.5 + i2 = 0 + 20.5

Reorder the terms:
-20.5 + 20.5 + -13i + i2 = 0 + 20.5

Combine like terms: -20.5 + 20.5 = 0.0
0.0 + -13i + i2 = 0 + 20.5
-13i + i2 = 0 + 20.5

Combine like terms: 0 + 20.5 = 20.5
-13i + i2 = 20.5

The i term is -13i.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13i + 42.25 + i2 = 20.5 + 42.25

Reorder the terms:
42.25 + -13i + i2 = 20.5 + 42.25

Combine like terms: 20.5 + 42.25 = 62.75
42.25 + -13i + i2 = 62.75

Factor a perfect square on the left side:
(i + -6.5)(i + -6.5) = 62.75

Calculate the square root of the right side: 7.921489759

Break this problem into two subproblems by setting 
(i + -6.5) equal to 7.921489759 and -7.921489759.

Subproblem 1

i + -6.5 = 7.921489759 Simplifying i + -6.5 = 7.921489759 Reorder the terms: -6.5 + i = 7.921489759 Solving -6.5 + i = 7.921489759 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + i = 7.921489759 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + i = 7.921489759 + 6.5 i = 7.921489759 + 6.5 Combine like terms: 7.921489759 + 6.5 = 14.421489759 i = 14.421489759 Simplifying i = 14.421489759

Subproblem 2

i + -6.5 = -7.921489759 Simplifying i + -6.5 = -7.921489759 Reorder the terms: -6.5 + i = -7.921489759 Solving -6.5 + i = -7.921489759 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + i = -7.921489759 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + i = -7.921489759 + 6.5 i = -7.921489759 + 6.5 Combine like terms: -7.921489759 + 6.5 = -1.421489759 i = -1.421489759 Simplifying i = -1.421489759

Solution

The solution to the problem is based on the solutions from the subproblems. i = {14.421489759, -1.421489759}

See similar equations:

| sqrtx+4=10 | | 2x-3+12=-x+32 | | 15x=22-16+3x | | x.18+x=21 | | P=2j+2w | | y=3.56+2 | | y=6log(x+9)+7 | | -6-18+3p=-30 | | 17=3+k | | y^2+7y+19=13 | | 9-3x=18-12x | | 7x+3-6x+4=11-3 | | 8(1-4v)+2v=-8v-36 | | 8x-2=10x+14 | | -4(y+6)=32 | | f+(-3)=-2 | | -6n+3m=-12 | | 7k+24=11 | | 34-8k=-(k+1) | | -3(2x+1)=3 | | 78+r=-16 | | (6x^4+5y)(6x^4-5y)= | | (x^2)=2(x+480) | | 2w-37+5w=33 | | 20m+5=14 | | 5t+7=3t-7 | | x.32=10+x/2 | | 34-8k=7(-7+7a) | | 30x=5x^2 | | x=20x+30 | | 2(x-5)=-3(x-6) | | -8a+8=7(-7+7a) |

Equations solver categories