-4.9x^2-7x+600=0

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Solution for -4.9x^2-7x+600=0 equation:


Simplifying
-4.9x2 + -7x + 600 = 0

Reorder the terms:
600 + -7x + -4.9x2 = 0

Solving
600 + -7x + -4.9x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4.9 the coefficient of the squared term: 

Divide each side by '-4.9'.
-122.4489796 + 1.428571429x + x2 = 0

Move the constant term to the right:

Add '122.4489796' to each side of the equation.
-122.4489796 + 1.428571429x + 122.4489796 + x2 = 0 + 122.4489796

Reorder the terms:
-122.4489796 + 122.4489796 + 1.428571429x + x2 = 0 + 122.4489796

Combine like terms: -122.4489796 + 122.4489796 = 0.0000000
0.0000000 + 1.428571429x + x2 = 0 + 122.4489796
1.428571429x + x2 = 0 + 122.4489796

Combine like terms: 0 + 122.4489796 = 122.4489796
1.428571429x + x2 = 122.4489796

The x term is 1.428571429x.  Take half its coefficient (0.7142857145).
Square it (0.5102040819) and add it to both sides.

Add '0.5102040819' to each side of the equation.
1.428571429x + 0.5102040819 + x2 = 122.4489796 + 0.5102040819

Reorder the terms:
0.5102040819 + 1.428571429x + x2 = 122.4489796 + 0.5102040819

Combine like terms: 122.4489796 + 0.5102040819 = 122.9591836819
0.5102040819 + 1.428571429x + x2 = 122.9591836819

Factor a perfect square on the left side:
(x + 0.7142857145)(x + 0.7142857145) = 122.9591836819

Calculate the square root of the right side: 11.088696212

Break this problem into two subproblems by setting 
(x + 0.7142857145) equal to 11.088696212 and -11.088696212.

Subproblem 1

x + 0.7142857145 = 11.088696212 Simplifying x + 0.7142857145 = 11.088696212 Reorder the terms: 0.7142857145 + x = 11.088696212 Solving 0.7142857145 + x = 11.088696212 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7142857145' to each side of the equation. 0.7142857145 + -0.7142857145 + x = 11.088696212 + -0.7142857145 Combine like terms: 0.7142857145 + -0.7142857145 = 0.0000000000 0.0000000000 + x = 11.088696212 + -0.7142857145 x = 11.088696212 + -0.7142857145 Combine like terms: 11.088696212 + -0.7142857145 = 10.3744104975 x = 10.3744104975 Simplifying x = 10.3744104975

Subproblem 2

x + 0.7142857145 = -11.088696212 Simplifying x + 0.7142857145 = -11.088696212 Reorder the terms: 0.7142857145 + x = -11.088696212 Solving 0.7142857145 + x = -11.088696212 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7142857145' to each side of the equation. 0.7142857145 + -0.7142857145 + x = -11.088696212 + -0.7142857145 Combine like terms: 0.7142857145 + -0.7142857145 = 0.0000000000 0.0000000000 + x = -11.088696212 + -0.7142857145 x = -11.088696212 + -0.7142857145 Combine like terms: -11.088696212 + -0.7142857145 = -11.8029819265 x = -11.8029819265 Simplifying x = -11.8029819265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.3744104975, -11.8029819265}

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