-x^2-12x+10=

Simple and best practice solution for -x^2-12x+10= 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^2-12x+10= equation:


Simplifying
-1x2 + -12x + 10 = 0

Reorder the terms:
10 + -12x + -1x2 = 0

Solving
10 + -12x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-10 + 12x + x2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + 12x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + 12x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 12x + x2 = 0 + 10
12x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
12x + x2 = 10

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = 10 + 36

Reorder the terms:
36 + 12x + x2 = 10 + 36

Combine like terms: 10 + 36 = 46
36 + 12x + x2 = 46

Factor a perfect square on the left side:
(x + 6)(x + 6) = 46

Calculate the square root of the right side: 6.782329983

Break this problem into two subproblems by setting 
(x + 6) equal to 6.782329983 and -6.782329983.

Subproblem 1

x + 6 = 6.782329983 Simplifying x + 6 = 6.782329983 Reorder the terms: 6 + x = 6.782329983 Solving 6 + x = 6.782329983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 6.782329983 + -6 Combine like terms: 6 + -6 = 0 0 + x = 6.782329983 + -6 x = 6.782329983 + -6 Combine like terms: 6.782329983 + -6 = 0.782329983 x = 0.782329983 Simplifying x = 0.782329983

Subproblem 2

x + 6 = -6.782329983 Simplifying x + 6 = -6.782329983 Reorder the terms: 6 + x = -6.782329983 Solving 6 + x = -6.782329983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -6.782329983 + -6 Combine like terms: 6 + -6 = 0 0 + x = -6.782329983 + -6 x = -6.782329983 + -6 Combine like terms: -6.782329983 + -6 = -12.782329983 x = -12.782329983 Simplifying x = -12.782329983

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.782329983, -12.782329983}

See similar equations:

| x+57=8x+15 | | -x^2+8x+12= | | 4x+5=-6x-2 | | 3e^2x-1=6 | | 10-20/(-5)= | | -x^2-6x+10= | | 2x+4=-5x-9 | | 10x+44= | | 6(3w+5)5=-2 | | -3k(k+3)-(5+5k)=-9 | | (62x+49y)-(-35x+15y)= | | 2x-2=5x-5 | | -2(2t+10)=-36 | | 3t=6t-9 | | x+71=7x+5 | | x^2+12x+8= | | -10(s+5)=115 | | 5/6+1/8= | | y=(4x+48)+7x | | -8x(8x-2)=3x+16 | | 34=100t-16t^2 | | 4n-12=84 | | x^2+4x+11= | | 4x(x+2)=4x+8 | | (X+5)+(2x+5)=70 | | 2(x+1)=5[x-(3-x)] | | 2x+x=287.35 | | -3y^2-x^2+2xy-1=0 | | 12=7+15 | | 0=20-5t-5t^2 | | 4+6x-3-2x=5 | | 20=7+30t-16t^2 |

Equations solver categories