x^2+2x-35=04

Simple and best practice solution for x^2+2x-35=04 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 x^2+2x-35=04 equation:


Simplifying
x2 + 2x + -35 = 4

Reorder the terms:
-35 + 2x + x2 = 4

Solving
-35 + 2x + x2 = 4

Solving for variable 'x'.

Reorder the terms:
-35 + -4 + 2x + x2 = 4 + -4

Combine like terms: -35 + -4 = -39
-39 + 2x + x2 = 4 + -4

Combine like terms: 4 + -4 = 0
-39 + 2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '39' to each side of the equation.
-39 + 2x + 39 + x2 = 0 + 39

Reorder the terms:
-39 + 39 + 2x + x2 = 0 + 39

Combine like terms: -39 + 39 = 0
0 + 2x + x2 = 0 + 39
2x + x2 = 0 + 39

Combine like terms: 0 + 39 = 39
2x + x2 = 39

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 39 + 1

Reorder the terms:
1 + 2x + x2 = 39 + 1

Combine like terms: 39 + 1 = 40
1 + 2x + x2 = 40

Factor a perfect square on the left side:
(x + 1)(x + 1) = 40

Calculate the square root of the right side: 6.32455532

Break this problem into two subproblems by setting 
(x + 1) equal to 6.32455532 and -6.32455532.

Subproblem 1

x + 1 = 6.32455532 Simplifying x + 1 = 6.32455532 Reorder the terms: 1 + x = 6.32455532 Solving 1 + x = 6.32455532 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 6.32455532 + -1 Combine like terms: 1 + -1 = 0 0 + x = 6.32455532 + -1 x = 6.32455532 + -1 Combine like terms: 6.32455532 + -1 = 5.32455532 x = 5.32455532 Simplifying x = 5.32455532

Subproblem 2

x + 1 = -6.32455532 Simplifying x + 1 = -6.32455532 Reorder the terms: 1 + x = -6.32455532 Solving 1 + x = -6.32455532 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -6.32455532 + -1 Combine like terms: 1 + -1 = 0 0 + x = -6.32455532 + -1 x = -6.32455532 + -1 Combine like terms: -6.32455532 + -1 = -7.32455532 x = -7.32455532 Simplifying x = -7.32455532

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.32455532, -7.32455532}

See similar equations:

| iz+2z=-3i | | 7y^2+5y+3y^2= | | [x-9]=21 | | x^2-44x-45= | | x^2-30x-4000=0 | | 10x+3=4(x-3) | | 6x+4=2x+3 | | y^3= | | 100x^2+50x+2=0 | | 25x^2+71x+49=0 | | 17x^2-34x-255=0 | | 5x^2-20x-10=0 | | 4x+2x=20 | | 4x^3-20x^2-96x=0 | | 11x=30+6x | | x-16-3x=0 | | 5-4(x+1)=-3 | | x+9=13-4x | | 264=(w)*(w-4)*((2*w)+10) | | 1+8r-6r=17 | | =(w)*(w-4)*((2*w)+10) | | X+2+x+14=5x+2 | | 1-6x-3x=-8 | | X+2x+14=5x+3 | | ln(4x)+ln(4+x)=4 | | 3+4*7= | | 35+3.6x=1000 | | 35*3.6x=1000 | | 126+3.6x=1000 | | 2x^3-8x^2=0 | | 5y=14-3 | | 9-x^2y^2=0 |

Equations solver categories