49x^2-14x+1-(7x+1)(3x-50)=0

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Solution for 49x^2-14x+1-(7x+1)(3x-50)=0 equation:


Simplifying
49x2 + -14x + 1 + -1(7x + 1)(3x + -50) = 0

Reorder the terms:
49x2 + -14x + 1 + -1(1 + 7x)(3x + -50) = 0

Reorder the terms:
49x2 + -14x + 1 + -1(1 + 7x)(-50 + 3x) = 0

Multiply (1 + 7x) * (-50 + 3x)
49x2 + -14x + 1 + -1(1(-50 + 3x) + 7x * (-50 + 3x)) = 0
49x2 + -14x + 1 + -1((-50 * 1 + 3x * 1) + 7x * (-50 + 3x)) = 0
49x2 + -14x + 1 + -1((-50 + 3x) + 7x * (-50 + 3x)) = 0
49x2 + -14x + 1 + -1(-50 + 3x + (-50 * 7x + 3x * 7x)) = 0
49x2 + -14x + 1 + -1(-50 + 3x + (-350x + 21x2)) = 0

Combine like terms: 3x + -350x = -347x
49x2 + -14x + 1 + -1(-50 + -347x + 21x2) = 0
49x2 + -14x + 1 + (-50 * -1 + -347x * -1 + 21x2 * -1) = 0
49x2 + -14x + 1 + (50 + 347x + -21x2) = 0

Reorder the terms:
1 + 50 + -14x + 347x + 49x2 + -21x2 = 0

Combine like terms: 1 + 50 = 51
51 + -14x + 347x + 49x2 + -21x2 = 0

Combine like terms: -14x + 347x = 333x
51 + 333x + 49x2 + -21x2 = 0

Combine like terms: 49x2 + -21x2 = 28x2
51 + 333x + 28x2 = 0

Solving
51 + 333x + 28x2 = 0

Solving for variable 'x'.

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

Divide each side by '28'.
1.821428571 + 11.89285714x + x2 = 0

Move the constant term to the right:

Add '-1.821428571' to each side of the equation.
1.821428571 + 11.89285714x + -1.821428571 + x2 = 0 + -1.821428571

Reorder the terms:
1.821428571 + -1.821428571 + 11.89285714x + x2 = 0 + -1.821428571

Combine like terms: 1.821428571 + -1.821428571 = 0.000000000
0.000000000 + 11.89285714x + x2 = 0 + -1.821428571
11.89285714x + x2 = 0 + -1.821428571

Combine like terms: 0 + -1.821428571 = -1.821428571
11.89285714x + x2 = -1.821428571

The x term is 11.89285714x.  Take half its coefficient (5.94642857).
Square it (35.36001274) and add it to both sides.

Add '35.36001274' to each side of the equation.
11.89285714x + 35.36001274 + x2 = -1.821428571 + 35.36001274

Reorder the terms:
35.36001274 + 11.89285714x + x2 = -1.821428571 + 35.36001274

Combine like terms: -1.821428571 + 35.36001274 = 33.538584169
35.36001274 + 11.89285714x + x2 = 33.538584169

Factor a perfect square on the left side:
(x + 5.94642857)(x + 5.94642857) = 33.538584169

Calculate the square root of the right side: 5.791250657

Break this problem into two subproblems by setting 
(x + 5.94642857) equal to 5.791250657 and -5.791250657.

Subproblem 1

x + 5.94642857 = 5.791250657 Simplifying x + 5.94642857 = 5.791250657 Reorder the terms: 5.94642857 + x = 5.791250657 Solving 5.94642857 + x = 5.791250657 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.94642857' to each side of the equation. 5.94642857 + -5.94642857 + x = 5.791250657 + -5.94642857 Combine like terms: 5.94642857 + -5.94642857 = 0.00000000 0.00000000 + x = 5.791250657 + -5.94642857 x = 5.791250657 + -5.94642857 Combine like terms: 5.791250657 + -5.94642857 = -0.155177913 x = -0.155177913 Simplifying x = -0.155177913

Subproblem 2

x + 5.94642857 = -5.791250657 Simplifying x + 5.94642857 = -5.791250657 Reorder the terms: 5.94642857 + x = -5.791250657 Solving 5.94642857 + x = -5.791250657 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.94642857' to each side of the equation. 5.94642857 + -5.94642857 + x = -5.791250657 + -5.94642857 Combine like terms: 5.94642857 + -5.94642857 = 0.00000000 0.00000000 + x = -5.791250657 + -5.94642857 x = -5.791250657 + -5.94642857 Combine like terms: -5.791250657 + -5.94642857 = -11.737679227 x = -11.737679227 Simplifying x = -11.737679227

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.155177913, -11.737679227}

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