-1.2=3.6t+(.5)(9.8)t^2

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Solution for -1.2=3.6t+(.5)(9.8)t^2 equation: 


Simplifying
-1.2 = 3.6t + (0.5)(9.8) * t2

Multiply 0.5 * 9.8
-1.2 = 3.6t + 4.9t2

Solving
-1.2 = 3.6t + 4.9t2

Solving for variable 't'.

Reorder the terms:
-1.2 + -3.6t + -4.9t2 = 3.6t + -3.6t + 4.9t2 + -4.9t2

Combine like terms: 3.6t + -3.6t = 0.0
-1.2 + -3.6t + -4.9t2 = 0.0 + 4.9t2 + -4.9t2
-1.2 + -3.6t + -4.9t2 = 4.9t2 + -4.9t2

Combine like terms: 4.9t2 + -4.9t2 = 0.0
-1.2 + -3.6t + -4.9t2 = 0.0

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

Divide each side by '-4.9'.
0.2448979592 + 0.7346938776t + t2 = 0

Move the constant term to the right:

Add '-0.2448979592' to each side of the equation.
0.2448979592 + 0.7346938776t + -0.2448979592 + t2 = 0 + -0.2448979592

Reorder the terms:
0.2448979592 + -0.2448979592 + 0.7346938776t + t2 = 0 + -0.2448979592

Combine like terms: 0.2448979592 + -0.2448979592 = 0.0000000000
0.0000000000 + 0.7346938776t + t2 = 0 + -0.2448979592
0.7346938776t + t2 = 0 + -0.2448979592

Combine like terms: 0 + -0.2448979592 = -0.2448979592
0.7346938776t + t2 = -0.2448979592

The t term is 0.7346938776t.  Take half its coefficient (0.3673469388).
Square it (0.1349437734) and add it to both sides.

Add '0.1349437734' to each side of the equation.
0.7346938776t + 0.1349437734 + t2 = -0.2448979592 + 0.1349437734

Reorder the terms:
0.1349437734 + 0.7346938776t + t2 = -0.2448979592 + 0.1349437734

Combine like terms: -0.2448979592 + 0.1349437734 = -0.1099541858
0.1349437734 + 0.7346938776t + t2 = -0.1099541858

Factor a perfect square on the left side:
(t + 0.3673469388)(t + 0.3673469388) = -0.1099541858

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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