h^2+h=7

Simple and best practice solution for h^2+h=7 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 h^2+h=7 equation:


Simplifying
h2 + h = 7

Reorder the terms:
h + h2 = 7

Solving
h + h2 = 7

Solving for variable 'h'.

Reorder the terms:
-7 + h + h2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + h + h2 = 0

Begin completing the square.

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + h + 7 + h2 = 0 + 7

Reorder the terms:
-7 + 7 + h + h2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + h + h2 = 0 + 7
h + h2 = 0 + 7

Combine like terms: 0 + 7 = 7
h + h2 = 7

The h term is h.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
h + 0.25 + h2 = 7 + 0.25

Reorder the terms:
0.25 + h + h2 = 7 + 0.25

Combine like terms: 7 + 0.25 = 7.25
0.25 + h + h2 = 7.25

Factor a perfect square on the left side:
(h + 0.5)(h + 0.5) = 7.25

Calculate the square root of the right side: 2.692582404

Break this problem into two subproblems by setting 
(h + 0.5) equal to 2.692582404 and -2.692582404.

Subproblem 1

h + 0.5 = 2.692582404 Simplifying h + 0.5 = 2.692582404 Reorder the terms: 0.5 + h = 2.692582404 Solving 0.5 + h = 2.692582404 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + h = 2.692582404 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + h = 2.692582404 + -0.5 h = 2.692582404 + -0.5 Combine like terms: 2.692582404 + -0.5 = 2.192582404 h = 2.192582404 Simplifying h = 2.192582404

Subproblem 2

h + 0.5 = -2.692582404 Simplifying h + 0.5 = -2.692582404 Reorder the terms: 0.5 + h = -2.692582404 Solving 0.5 + h = -2.692582404 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + h = -2.692582404 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + h = -2.692582404 + -0.5 h = -2.692582404 + -0.5 Combine like terms: -2.692582404 + -0.5 = -3.192582404 h = -3.192582404 Simplifying h = -3.192582404

Solution

The solution to the problem is based on the solutions from the subproblems. h = {2.192582404, -3.192582404}

See similar equations:

| -3j^2-90j=-69 | | 1OZ= | | 1/3y-3/4=2/3y-1/2 | | 4v^2+4v-116=0 | | 9(z-6)=4(z+6) | | 652=67+5r | | 24+7n=6(7n+4) | | 5z+2-3z=2+z+10 | | 5x+-7=x | | q^2-15q=-46 | | 3+x-x^2=0 | | x-9y=57 | | k^2+8k-1=0 | | 16+x-x^2=0 | | -4n-2=-6n-14 | | -2p^2+46p=-48 | | 11(b+18)-6(2b+1)=4(-b+9) | | (32x+70)=(20x+6) | | -2f^2-28f+94=0 | | 3y+12=14 | | 3y+5+2y-7+27= | | x^2-3x+1=2x | | 4(-b+9)= | | 3y+5+2y+7+27= | | x^2-3x+1=x+3 | | 24.5x=50.5 | | -9b+8+5b=19 | | (2x-3)(5-x)-x(5-x)=0 | | -3(9n+7)=18 | | x+2.5-0.5x=5-0.5x | | 3.25x=6.5 | | x+2.5-0.5x=5-x |

Equations solver categories