1700-253x-7x^2=0

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Solution for 1700-253x-7x^2=0 equation:


Simplifying
1700 + -253x + -7x2 = 0

Solving
1700 + -253x + -7x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-7 the coefficient of the squared term: 

Divide each side by '-7'.
-242.8571429 + 36.14285714x + x2 = 0

Move the constant term to the right:

Add '242.8571429' to each side of the equation.
-242.8571429 + 36.14285714x + 242.8571429 + x2 = 0 + 242.8571429

Reorder the terms:
-242.8571429 + 242.8571429 + 36.14285714x + x2 = 0 + 242.8571429

Combine like terms: -242.8571429 + 242.8571429 = 0.0000000
0.0000000 + 36.14285714x + x2 = 0 + 242.8571429
36.14285714x + x2 = 0 + 242.8571429

Combine like terms: 0 + 242.8571429 = 242.8571429
36.14285714x + x2 = 242.8571429

The x term is 36.14285714x.  Take half its coefficient (18.07142857).
Square it (326.5765306) and add it to both sides.

Add '326.5765306' to each side of the equation.
36.14285714x + 326.5765306 + x2 = 242.8571429 + 326.5765306

Reorder the terms:
326.5765306 + 36.14285714x + x2 = 242.8571429 + 326.5765306

Combine like terms: 242.8571429 + 326.5765306 = 569.4336735
326.5765306 + 36.14285714x + x2 = 569.4336735

Factor a perfect square on the left side:
(x + 18.07142857)(x + 18.07142857) = 569.4336735

Calculate the square root of the right side: 23.862809422

Break this problem into two subproblems by setting 
(x + 18.07142857) equal to 23.862809422 and -23.862809422.

Subproblem 1

x + 18.07142857 = 23.862809422 Simplifying x + 18.07142857 = 23.862809422 Reorder the terms: 18.07142857 + x = 23.862809422 Solving 18.07142857 + x = 23.862809422 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18.07142857' to each side of the equation. 18.07142857 + -18.07142857 + x = 23.862809422 + -18.07142857 Combine like terms: 18.07142857 + -18.07142857 = 0.00000000 0.00000000 + x = 23.862809422 + -18.07142857 x = 23.862809422 + -18.07142857 Combine like terms: 23.862809422 + -18.07142857 = 5.791380852 x = 5.791380852 Simplifying x = 5.791380852

Subproblem 2

x + 18.07142857 = -23.862809422 Simplifying x + 18.07142857 = -23.862809422 Reorder the terms: 18.07142857 + x = -23.862809422 Solving 18.07142857 + x = -23.862809422 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18.07142857' to each side of the equation. 18.07142857 + -18.07142857 + x = -23.862809422 + -18.07142857 Combine like terms: 18.07142857 + -18.07142857 = 0.00000000 0.00000000 + x = -23.862809422 + -18.07142857 x = -23.862809422 + -18.07142857 Combine like terms: -23.862809422 + -18.07142857 = -41.934237992 x = -41.934237992 Simplifying x = -41.934237992

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.791380852, -41.934237992}

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