5h^2+h-7=0

Simple and best practice solution for 5h^2+h-7=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 5h^2+h-7=0 equation:


Simplifying
5h2 + h + -7 = 0

Reorder the terms:
-7 + h + 5h2 = 0

Solving
-7 + h + 5h2 = 0

Solving for variable 'h'.

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

Divide each side by '5'.
-1.4 + 0.2h + h2 = 0

Move the constant term to the right:

Add '1.4' to each side of the equation.
-1.4 + 0.2h + 1.4 + h2 = 0 + 1.4

Reorder the terms:
-1.4 + 1.4 + 0.2h + h2 = 0 + 1.4

Combine like terms: -1.4 + 1.4 = 0.0
0.0 + 0.2h + h2 = 0 + 1.4
0.2h + h2 = 0 + 1.4

Combine like terms: 0 + 1.4 = 1.4
0.2h + h2 = 1.4

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.
0.2h + 0.25 + h2 = 1.4 + 0.25

Reorder the terms:
0.25 + 0.2h + h2 = 1.4 + 0.25

Combine like terms: 1.4 + 0.25 = 1.65
0.25 + 0.2h + h2 = 1.65

Factor a perfect square on the left side:
(h + 0.5)(h + 0.5) = 1.65

Calculate the square root of the right side: 1.284523258

Break this problem into two subproblems by setting 
(h + 0.5) equal to 1.284523258 and -1.284523258.

Subproblem 1

h + 0.5 = 1.284523258 Simplifying h + 0.5 = 1.284523258 Reorder the terms: 0.5 + h = 1.284523258 Solving 0.5 + h = 1.284523258 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 = 1.284523258 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + h = 1.284523258 + -0.5 h = 1.284523258 + -0.5 Combine like terms: 1.284523258 + -0.5 = 0.784523258 h = 0.784523258 Simplifying h = 0.784523258

Subproblem 2

h + 0.5 = -1.284523258 Simplifying h + 0.5 = -1.284523258 Reorder the terms: 0.5 + h = -1.284523258 Solving 0.5 + h = -1.284523258 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 = -1.284523258 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + h = -1.284523258 + -0.5 h = -1.284523258 + -0.5 Combine like terms: -1.284523258 + -0.5 = -1.784523258 h = -1.784523258 Simplifying h = -1.784523258

Solution

The solution to the problem is based on the solutions from the subproblems. h = {0.784523258, -1.784523258}

See similar equations:

| Cos45=4/x | | 2y+3.6=4.8 | | 49=7w/5 | | 3n*4=1 | | 6m^2-32m-24=0 | | 7w/5=49 | | -8x+5(-3x-5)=13 | | 6k^2-4K-8=0 | | 6m(m-6)=4(6-m) | | m^2=56m-m^3 | | 12x^2-20x-8= | | e^5=6x | | 5n+10n-40=0 | | X^2+3X=4X+20 | | Log(2v)=log(5v-9) | | 4*2*3=109 | | ln(7x^3/y^2 | | -27n+14n+33-m=-23 | | 3x^2+26x=-40 | | 5(2x-1)=3(x-4) | | 13x-14=15x-6 | | 3p-2=6(4p+2) | | 22=10+3*2x | | 40+2x-30+x+20=180 | | 11*5x+10=0 | | (x+7i)(x-7i)(x+3)=0 | | 4.2=-log(x) | | 5-2/31 | | X-RAY(-1)=4 | | 56x-43-52-19x=7-72x-56x+165x-112 | | 14y^2-7000y-3=0 | | x+55=-45 |

Equations solver categories