-x^2+10x+17=0

Simple and best practice solution for -x^2+10x+17=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+17=0 equation:


Simplifying
-1x2 + 10x + 17 = 0

Reorder the terms:
17 + 10x + -1x2 = 0

Solving
17 + 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'.
-17 + -10x + x2 = 0

Move the constant term to the right:

Add '17' to each side of the equation.
-17 + -10x + 17 + x2 = 0 + 17

Reorder the terms:
-17 + 17 + -10x + x2 = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -10x + x2 = 0 + 17
-10x + x2 = 0 + 17

Combine like terms: 0 + 17 = 17
-10x + x2 = 17

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 = 17 + 25

Reorder the terms:
25 + -10x + x2 = 17 + 25

Combine like terms: 17 + 25 = 42
25 + -10x + x2 = 42

Factor a perfect square on the left side:
(x + -5)(x + -5) = 42

Calculate the square root of the right side: 6.480740698

Break this problem into two subproblems by setting 
(x + -5) equal to 6.480740698 and -6.480740698.

Subproblem 1

x + -5 = 6.480740698 Simplifying x + -5 = 6.480740698 Reorder the terms: -5 + x = 6.480740698 Solving -5 + x = 6.480740698 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 = 6.480740698 + 5 Combine like terms: -5 + 5 = 0 0 + x = 6.480740698 + 5 x = 6.480740698 + 5 Combine like terms: 6.480740698 + 5 = 11.480740698 x = 11.480740698 Simplifying x = 11.480740698

Subproblem 2

x + -5 = -6.480740698 Simplifying x + -5 = -6.480740698 Reorder the terms: -5 + x = -6.480740698 Solving -5 + x = -6.480740698 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 = -6.480740698 + 5 Combine like terms: -5 + 5 = 0 0 + x = -6.480740698 + 5 x = -6.480740698 + 5 Combine like terms: -6.480740698 + 5 = -1.480740698 x = -1.480740698 Simplifying x = -1.480740698

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.480740698, -1.480740698}

See similar equations:

| 1840=2t | | 2.9x-3.3=5.4 | | (4x+9)(x-6)=8x+18 | | -7x+1=-19 | | 67a=194 | | 5a+2.3+1.5+3a=8a+3+8 | | 4x-12+6x=16+3x | | -1(5x+6)-x=-6-6x | | 5y(2x-1)=y(x+2) | | s+-16=32 | | 2(b-2)=5(b+1)-3 | | -a^2=36-12a | | -9(7.6)+5y=16 | | [6x+2][3x-14]=8x+4 | | 2x(x-6)+2=4x-4 | | s+-16= | | 8(x-1)-2=-(x+50) | | 9y-10=5y+1 | | -3+7y=-16 | | 4n-5(-2n+10)= | | 5x+88=4x+38 | | 4(x-3)+6x=16+3x | | 4(2x-2)=-40 | | 11-8n-19=7n+32-5n | | 2=10(0.95)x | | -1(0)+3y=6 | | -42=-3h | | -5n+18+21n-9= | | 13.4-x=8.1 | | 5v+-42=73 | | 7(y+5)+y=3(y+4)+7 | | -4+9y=9 |

Equations solver categories