-4.9x^2+9.5x-3.6=0

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Solution for -4.9x^2+9.5x-3.6=0 equation:


Simplifying
-4.9x2 + 9.5x + -3.6 = 0

Reorder the terms:
-3.6 + 9.5x + -4.9x2 = 0

Solving
-3.6 + 9.5x + -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'.
0.7346938776 + -1.93877551x + x2 = 0

Move the constant term to the right:

Add '-0.7346938776' to each side of the equation.
0.7346938776 + -1.93877551x + -0.7346938776 + x2 = 0 + -0.7346938776

Reorder the terms:
0.7346938776 + -0.7346938776 + -1.93877551x + x2 = 0 + -0.7346938776

Combine like terms: 0.7346938776 + -0.7346938776 = 0.0000000000
0.0000000000 + -1.93877551x + x2 = 0 + -0.7346938776
-1.93877551x + x2 = 0 + -0.7346938776

Combine like terms: 0 + -0.7346938776 = -0.7346938776
-1.93877551x + x2 = -0.7346938776

The x term is -1.93877551x.  Take half its coefficient (-0.969387755).
Square it (0.9397126195) and add it to both sides.

Add '0.9397126195' to each side of the equation.
-1.93877551x + 0.9397126195 + x2 = -0.7346938776 + 0.9397126195

Reorder the terms:
0.9397126195 + -1.93877551x + x2 = -0.7346938776 + 0.9397126195

Combine like terms: -0.7346938776 + 0.9397126195 = 0.2050187419
0.9397126195 + -1.93877551x + x2 = 0.2050187419

Factor a perfect square on the left side:
(x + -0.969387755)(x + -0.969387755) = 0.2050187419

Calculate the square root of the right side: 0.452789953

Break this problem into two subproblems by setting 
(x + -0.969387755) equal to 0.452789953 and -0.452789953.

Subproblem 1

x + -0.969387755 = 0.452789953 Simplifying x + -0.969387755 = 0.452789953 Reorder the terms: -0.969387755 + x = 0.452789953 Solving -0.969387755 + x = 0.452789953 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.969387755' to each side of the equation. -0.969387755 + 0.969387755 + x = 0.452789953 + 0.969387755 Combine like terms: -0.969387755 + 0.969387755 = 0.000000000 0.000000000 + x = 0.452789953 + 0.969387755 x = 0.452789953 + 0.969387755 Combine like terms: 0.452789953 + 0.969387755 = 1.422177708 x = 1.422177708 Simplifying x = 1.422177708

Subproblem 2

x + -0.969387755 = -0.452789953 Simplifying x + -0.969387755 = -0.452789953 Reorder the terms: -0.969387755 + x = -0.452789953 Solving -0.969387755 + x = -0.452789953 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.969387755' to each side of the equation. -0.969387755 + 0.969387755 + x = -0.452789953 + 0.969387755 Combine like terms: -0.969387755 + 0.969387755 = 0.000000000 0.000000000 + x = -0.452789953 + 0.969387755 x = -0.452789953 + 0.969387755 Combine like terms: -0.452789953 + 0.969387755 = 0.516597802 x = 0.516597802 Simplifying x = 0.516597802

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.422177708, 0.516597802}

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