h^2-28h=-49

Simple and best practice solution for h^2-28h=-49 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^2-28h=-49 equation:


Simplifying
h2 + -28h = -49

Reorder the terms:
-28h + h2 = -49

Solving
-28h + h2 = -49

Solving for variable 'h'.

Reorder the terms:
49 + -28h + h2 = -49 + 49

Combine like terms: -49 + 49 = 0
49 + -28h + h2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-49' to each side of the equation.
49 + -28h + -49 + h2 = 0 + -49

Reorder the terms:
49 + -49 + -28h + h2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -28h + h2 = 0 + -49
-28h + h2 = 0 + -49

Combine like terms: 0 + -49 = -49
-28h + h2 = -49

The h term is -28h.  Take half its coefficient (-14).
Square it (196) and add it to both sides.

Add '196' to each side of the equation.
-28h + 196 + h2 = -49 + 196

Reorder the terms:
196 + -28h + h2 = -49 + 196

Combine like terms: -49 + 196 = 147
196 + -28h + h2 = 147

Factor a perfect square on the left side:
(h + -14)(h + -14) = 147

Calculate the square root of the right side: 12.124355653

Break this problem into two subproblems by setting 
(h + -14) equal to 12.124355653 and -12.124355653.

Subproblem 1

h + -14 = 12.124355653 Simplifying h + -14 = 12.124355653 Reorder the terms: -14 + h = 12.124355653 Solving -14 + h = 12.124355653 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + h = 12.124355653 + 14 Combine like terms: -14 + 14 = 0 0 + h = 12.124355653 + 14 h = 12.124355653 + 14 Combine like terms: 12.124355653 + 14 = 26.124355653 h = 26.124355653 Simplifying h = 26.124355653

Subproblem 2

h + -14 = -12.124355653 Simplifying h + -14 = -12.124355653 Reorder the terms: -14 + h = -12.124355653 Solving -14 + h = -12.124355653 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + h = -12.124355653 + 14 Combine like terms: -14 + 14 = 0 0 + h = -12.124355653 + 14 h = -12.124355653 + 14 Combine like terms: -12.124355653 + 14 = 1.875644347 h = 1.875644347 Simplifying h = 1.875644347

Solution

The solution to the problem is based on the solutions from the subproblems. h = {26.124355653, 1.875644347}

See similar equations:

| (-4.87)(-5.9)= | | Y=2x^2-6x-80 | | 2x-7x-78=0 | | X/2.5=4 | | (3w-5)w=28 | | 8y^2-4y=0 | | (l-4)(w*2)=450 | | x-1=(x/3)+1 | | 18x^2=-9x+2 | | 185X-7625=-12790 | | 15y+6(15-2.5y)=90 | | -0.7x^2-3.5x+16.8=0 | | 29=5x-6 | | 3y+12=4y-4 | | 8b+9-2b=4b | | 3/4x+10=46 | | 9(10-2x)=2x+40 | | x-8=7+20 | | 6(8-2x)=4(3x+1) | | 15y+6x=90 | | (C-1)(2c^2+11c+5)/(c+5)(c^2-1) | | 18x^2=9x+2 | | 49x-7x^2=0 | | W-11=24 | | W+10=10 | | 2(21-x)+(x+6)=44 | | 7+3(2-2b)=9 | | 12x-42=7x+3 | | s+6/3=9 | | 1.37x=12.33 | | .10b+.25x=6 | | 6s/3+9 |

Equations solver categories