2.4h+1=7h(2h-4)

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Solution for 2.4h+1=7h(2h-4) equation:


Simplifying
2.4h + 1 = 7h(2h + -4)

Reorder the terms:
1 + 2.4h = 7h(2h + -4)

Reorder the terms:
1 + 2.4h = 7h(-4 + 2h)
1 + 2.4h = (-4 * 7h + 2h * 7h)
1 + 2.4h = (-28h + 14h2)

Solving
1 + 2.4h = -28h + 14h2

Solving for variable 'h'.

Combine like terms: 2.4h + 28h = 30.4h
1 + 30.4h + -14h2 = -28h + 14h2 + 28h + -14h2

Reorder the terms:
1 + 30.4h + -14h2 = -28h + 28h + 14h2 + -14h2

Combine like terms: -28h + 28h = 0
1 + 30.4h + -14h2 = 0 + 14h2 + -14h2
1 + 30.4h + -14h2 = 14h2 + -14h2

Combine like terms: 14h2 + -14h2 = 0
1 + 30.4h + -14h2 = 0

Begin completing the square.  Divide all terms by
-14 the coefficient of the squared term: 

Divide each side by '-14'.
-0.07142857143 + -2.171428571h + h2 = 0

Move the constant term to the right:

Add '0.07142857143' to each side of the equation.
-0.07142857143 + -2.171428571h + 0.07142857143 + h2 = 0 + 0.07142857143

Reorder the terms:
-0.07142857143 + 0.07142857143 + -2.171428571h + h2 = 0 + 0.07142857143

Combine like terms: -0.07142857143 + 0.07142857143 = 0.00000000000
0.00000000000 + -2.171428571h + h2 = 0 + 0.07142857143
-2.171428571h + h2 = 0 + 0.07142857143

Combine like terms: 0 + 0.07142857143 = 0.07142857143
-2.171428571h + h2 = 0.07142857143

The h term is -2.171428571h.  Take half its coefficient (-1.085714286).
Square it (1.178775511) and add it to both sides.

Add '1.178775511' to each side of the equation.
-2.171428571h + 1.178775511 + h2 = 0.07142857143 + 1.178775511

Reorder the terms:
1.178775511 + -2.171428571h + h2 = 0.07142857143 + 1.178775511

Combine like terms: 0.07142857143 + 1.178775511 = 1.25020408243
1.178775511 + -2.171428571h + h2 = 1.25020408243

Factor a perfect square on the left side:
(h + -1.085714286)(h + -1.085714286) = 1.25020408243

Calculate the square root of the right side: 1.118125253

Break this problem into two subproblems by setting 
(h + -1.085714286) equal to 1.118125253 and -1.118125253.

Subproblem 1

h + -1.085714286 = 1.118125253 Simplifying h + -1.085714286 = 1.118125253 Reorder the terms: -1.085714286 + h = 1.118125253 Solving -1.085714286 + h = 1.118125253 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '1.085714286' to each side of the equation. -1.085714286 + 1.085714286 + h = 1.118125253 + 1.085714286 Combine like terms: -1.085714286 + 1.085714286 = 0.000000000 0.000000000 + h = 1.118125253 + 1.085714286 h = 1.118125253 + 1.085714286 Combine like terms: 1.118125253 + 1.085714286 = 2.203839539 h = 2.203839539 Simplifying h = 2.203839539

Subproblem 2

h + -1.085714286 = -1.118125253 Simplifying h + -1.085714286 = -1.118125253 Reorder the terms: -1.085714286 + h = -1.118125253 Solving -1.085714286 + h = -1.118125253 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '1.085714286' to each side of the equation. -1.085714286 + 1.085714286 + h = -1.118125253 + 1.085714286 Combine like terms: -1.085714286 + 1.085714286 = 0.000000000 0.000000000 + h = -1.118125253 + 1.085714286 h = -1.118125253 + 1.085714286 Combine like terms: -1.118125253 + 1.085714286 = -0.032410967 h = -0.032410967 Simplifying h = -0.032410967

Solution

The solution to the problem is based on the solutions from the subproblems. h = {2.203839539, -0.032410967}

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