63x+147=9x^2+49

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Solution for 63x+147=9x^2+49 equation:


Simplifying
63x + 147 = 9x2 + 49

Reorder the terms:
147 + 63x = 9x2 + 49

Reorder the terms:
147 + 63x = 49 + 9x2

Solving
147 + 63x = 49 + 9x2

Solving for variable 'x'.

Reorder the terms:
147 + -49 + 63x + -9x2 = 49 + 9x2 + -49 + -9x2

Combine like terms: 147 + -49 = 98
98 + 63x + -9x2 = 49 + 9x2 + -49 + -9x2

Reorder the terms:
98 + 63x + -9x2 = 49 + -49 + 9x2 + -9x2

Combine like terms: 49 + -49 = 0
98 + 63x + -9x2 = 0 + 9x2 + -9x2
98 + 63x + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
98 + 63x + -9x2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
-10.88888889 + -7x + x2 = 0

Move the constant term to the right:

Add '10.88888889' to each side of the equation.
-10.88888889 + -7x + 10.88888889 + x2 = 0 + 10.88888889

Reorder the terms:
-10.88888889 + 10.88888889 + -7x + x2 = 0 + 10.88888889

Combine like terms: -10.88888889 + 10.88888889 = 0.00000000
0.00000000 + -7x + x2 = 0 + 10.88888889
-7x + x2 = 0 + 10.88888889

Combine like terms: 0 + 10.88888889 = 10.88888889
-7x + x2 = 10.88888889

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = 10.88888889 + 12.25

Reorder the terms:
12.25 + -7x + x2 = 10.88888889 + 12.25

Combine like terms: 10.88888889 + 12.25 = 23.13888889
12.25 + -7x + x2 = 23.13888889

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 23.13888889

Calculate the square root of the right side: 4.810289897

Break this problem into two subproblems by setting 
(x + -3.5) equal to 4.810289897 and -4.810289897.

Subproblem 1

x + -3.5 = 4.810289897 Simplifying x + -3.5 = 4.810289897 Reorder the terms: -3.5 + x = 4.810289897 Solving -3.5 + x = 4.810289897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 4.810289897 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 4.810289897 + 3.5 x = 4.810289897 + 3.5 Combine like terms: 4.810289897 + 3.5 = 8.310289897 x = 8.310289897 Simplifying x = 8.310289897

Subproblem 2

x + -3.5 = -4.810289897 Simplifying x + -3.5 = -4.810289897 Reorder the terms: -3.5 + x = -4.810289897 Solving -3.5 + x = -4.810289897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -4.810289897 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -4.810289897 + 3.5 x = -4.810289897 + 3.5 Combine like terms: -4.810289897 + 3.5 = -1.310289897 x = -1.310289897 Simplifying x = -1.310289897

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.310289897, -1.310289897}

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