4.9t^2+6t=-20

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Solution for 4.9t^2+6t=-20 equation:


Simplifying
4.9t2 + 6t = -20

Reorder the terms:
6t + 4.9t2 = -20

Solving
6t + 4.9t2 = -20

Solving for variable 't'.

Reorder the terms:
20 + 6t + 4.9t2 = -20 + 20

Combine like terms: -20 + 20 = 0
20 + 6t + 4.9t2 = 0

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

Divide each side by '4.9'.
4.081632653 + 1.224489796t + t2 = 0

Move the constant term to the right:

Add '-4.081632653' to each side of the equation.
4.081632653 + 1.224489796t + -4.081632653 + t2 = 0 + -4.081632653

Reorder the terms:
4.081632653 + -4.081632653 + 1.224489796t + t2 = 0 + -4.081632653

Combine like terms: 4.081632653 + -4.081632653 = 0.000000000
0.000000000 + 1.224489796t + t2 = 0 + -4.081632653
1.224489796t + t2 = 0 + -4.081632653

Combine like terms: 0 + -4.081632653 = -4.081632653
1.224489796t + t2 = -4.081632653

The t term is 1.224489796t.  Take half its coefficient (0.612244898).
Square it (0.3748438151) and add it to both sides.

Add '0.3748438151' to each side of the equation.
1.224489796t + 0.3748438151 + t2 = -4.081632653 + 0.3748438151

Reorder the terms:
0.3748438151 + 1.224489796t + t2 = -4.081632653 + 0.3748438151

Combine like terms: -4.081632653 + 0.3748438151 = -3.7067888379
0.3748438151 + 1.224489796t + t2 = -3.7067888379

Factor a perfect square on the left side:
(t + 0.612244898)(t + 0.612244898) = -3.7067888379

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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