-x^2+10x+10=0

Simple and best practice solution for -x^2+10x+10=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 -x^2+10x+10=0 equation:


Simplifying
-1x2 + 10x + 10 = 0

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

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

Move the constant term to the right:

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

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

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

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

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 10 + 25

Reorder the terms:
25 + -10x + x2 = 10 + 25

Combine like terms: 10 + 25 = 35
25 + -10x + x2 = 35

Factor a perfect square on the left side:
(x + -5)(x + -5) = 35

Calculate the square root of the right side: 5.916079783

Break this problem into two subproblems by setting 
(x + -5) equal to 5.916079783 and -5.916079783.

Subproblem 1

x + -5 = 5.916079783 Simplifying x + -5 = 5.916079783 Reorder the terms: -5 + x = 5.916079783 Solving -5 + x = 5.916079783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 5.916079783 + 5 Combine like terms: -5 + 5 = 0 0 + x = 5.916079783 + 5 x = 5.916079783 + 5 Combine like terms: 5.916079783 + 5 = 10.916079783 x = 10.916079783 Simplifying x = 10.916079783

Subproblem 2

x + -5 = -5.916079783 Simplifying x + -5 = -5.916079783 Reorder the terms: -5 + x = -5.916079783 Solving -5 + x = -5.916079783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -5.916079783 + 5 Combine like terms: -5 + 5 = 0 0 + x = -5.916079783 + 5 x = -5.916079783 + 5 Combine like terms: -5.916079783 + 5 = -0.916079783 x = -0.916079783 Simplifying x = -0.916079783

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.916079783, -0.916079783}

See similar equations:

| 4a^2+9a+5=0 | | 25s^2-9t^2=0 | | 25c^2+70ct+49t^2=0 | | k(x)=2i(4-x)(5-x)(6-x) | | 81s^2+144s+64=0 | | 5m=8 | | (5u+1)(5-u)=0 | | 36s^2-196=0 | | 0.6y+2=8 | | 8v=56 | | 35x^2-68x+32=0 | | n-(n+2)=81 | | 16v^2-81=0 | | x^3-2x^2+.4=0 | | 12s^2-13st-4t^2=0 | | 7c^2+48c-7=0 | | 10u^3+44u^2-30u=0 | | 10u^3+44u^4-30u=0 | | 5a^2+24a-5=0 | | 6c^2-30c+36=0 | | b^2-12b+32=0 | | r^2+9r+8=0 | | 3x^6y^4+12x^4y^3+21xy=0 | | 72x^3-56x^2+9x-7=0 | | 15(t-4)+3t=6(3t+4)-12 | | 5x+4y=11 | | -(6y+1)-(-5y-6)=3 | | x+(x+28)+(2x-29)=447 | | b^4-9=0 | | 0=x^2-2x+81 | | t^2+5tg-24g^2=0 | | 2L+2W=132 |

Equations solver categories