70-5x-14x+x^2-25=0

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Solution for 70-5x-14x+x^2-25=0 equation:


Simplifying
70 + -5x + -14x + x2 + -25 = 0

Reorder the terms:
70 + -25 + -5x + -14x + x2 = 0

Combine like terms: 70 + -25 = 45
45 + -5x + -14x + x2 = 0

Combine like terms: -5x + -14x = -19x
45 + -19x + x2 = 0

Solving
45 + -19x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-45' to each side of the equation.
45 + -19x + -45 + x2 = 0 + -45

Reorder the terms:
45 + -45 + -19x + x2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -19x + x2 = 0 + -45
-19x + x2 = 0 + -45

Combine like terms: 0 + -45 = -45
-19x + x2 = -45

The x term is -19x.  Take half its coefficient (-9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
-19x + 90.25 + x2 = -45 + 90.25

Reorder the terms:
90.25 + -19x + x2 = -45 + 90.25

Combine like terms: -45 + 90.25 = 45.25
90.25 + -19x + x2 = 45.25

Factor a perfect square on the left side:
(x + -9.5)(x + -9.5) = 45.25

Calculate the square root of the right side: 6.726812024

Break this problem into two subproblems by setting 
(x + -9.5) equal to 6.726812024 and -6.726812024.

Subproblem 1

x + -9.5 = 6.726812024 Simplifying x + -9.5 = 6.726812024 Reorder the terms: -9.5 + x = 6.726812024 Solving -9.5 + x = 6.726812024 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + x = 6.726812024 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + x = 6.726812024 + 9.5 x = 6.726812024 + 9.5 Combine like terms: 6.726812024 + 9.5 = 16.226812024 x = 16.226812024 Simplifying x = 16.226812024

Subproblem 2

x + -9.5 = -6.726812024 Simplifying x + -9.5 = -6.726812024 Reorder the terms: -9.5 + x = -6.726812024 Solving -9.5 + x = -6.726812024 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + x = -6.726812024 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + x = -6.726812024 + 9.5 x = -6.726812024 + 9.5 Combine like terms: -6.726812024 + 9.5 = 2.773187976 x = 2.773187976 Simplifying x = 2.773187976

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.226812024, 2.773187976}

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