-4.9x^2+94x+297=0

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Solution for -4.9x^2+94x+297=0 equation:


Simplifying
-4.9x2 + 94x + 297 = 0

Reorder the terms:
297 + 94x + -4.9x2 = 0

Solving
297 + 94x + -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'.
-60.6122449 + -19.18367347x + x2 = 0

Move the constant term to the right:

Add '60.6122449' to each side of the equation.
-60.6122449 + -19.18367347x + 60.6122449 + x2 = 0 + 60.6122449

Reorder the terms:
-60.6122449 + 60.6122449 + -19.18367347x + x2 = 0 + 60.6122449

Combine like terms: -60.6122449 + 60.6122449 = 0.0000000
0.0000000 + -19.18367347x + x2 = 0 + 60.6122449
-19.18367347x + x2 = 0 + 60.6122449

Combine like terms: 0 + 60.6122449 = 60.6122449
-19.18367347x + x2 = 60.6122449

The x term is -19.18367347x.  Take half its coefficient (-9.591836735).
Square it (92.00333195) and add it to both sides.

Add '92.00333195' to each side of the equation.
-19.18367347x + 92.00333195 + x2 = 60.6122449 + 92.00333195

Reorder the terms:
92.00333195 + -19.18367347x + x2 = 60.6122449 + 92.00333195

Combine like terms: 60.6122449 + 92.00333195 = 152.61557685
92.00333195 + -19.18367347x + x2 = 152.61557685

Factor a perfect square on the left side:
(x + -9.591836735)(x + -9.591836735) = 152.61557685

Calculate the square root of the right side: 12.353767719

Break this problem into two subproblems by setting 
(x + -9.591836735) equal to 12.353767719 and -12.353767719.

Subproblem 1

x + -9.591836735 = 12.353767719 Simplifying x + -9.591836735 = 12.353767719 Reorder the terms: -9.591836735 + x = 12.353767719 Solving -9.591836735 + x = 12.353767719 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.591836735' to each side of the equation. -9.591836735 + 9.591836735 + x = 12.353767719 + 9.591836735 Combine like terms: -9.591836735 + 9.591836735 = 0.000000000 0.000000000 + x = 12.353767719 + 9.591836735 x = 12.353767719 + 9.591836735 Combine like terms: 12.353767719 + 9.591836735 = 21.945604454 x = 21.945604454 Simplifying x = 21.945604454

Subproblem 2

x + -9.591836735 = -12.353767719 Simplifying x + -9.591836735 = -12.353767719 Reorder the terms: -9.591836735 + x = -12.353767719 Solving -9.591836735 + x = -12.353767719 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.591836735' to each side of the equation. -9.591836735 + 9.591836735 + x = -12.353767719 + 9.591836735 Combine like terms: -9.591836735 + 9.591836735 = 0.000000000 0.000000000 + x = -12.353767719 + 9.591836735 x = -12.353767719 + 9.591836735 Combine like terms: -12.353767719 + 9.591836735 = -2.761930984 x = -2.761930984 Simplifying x = -2.761930984

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.945604454, -2.761930984}

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