4.9t^2+9t-950=0

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Solution for 4.9t^2+9t-950=0 equation:


Simplifying
4.9t2 + 9t + -950 = 0

Reorder the terms:
-950 + 9t + 4.9t2 = 0

Solving
-950 + 9t + 4.9t2 = 0

Solving for variable 't'.

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

Divide each side by '4.9'.
-193.877551 + 1.836734694t + t2 = 0

Move the constant term to the right:

Add '193.877551' to each side of the equation.
-193.877551 + 1.836734694t + 193.877551 + t2 = 0 + 193.877551

Reorder the terms:
-193.877551 + 193.877551 + 1.836734694t + t2 = 0 + 193.877551

Combine like terms: -193.877551 + 193.877551 = 0.000000
0.000000 + 1.836734694t + t2 = 0 + 193.877551
1.836734694t + t2 = 0 + 193.877551

Combine like terms: 0 + 193.877551 = 193.877551
1.836734694t + t2 = 193.877551

The t term is 1.836734694t.  Take half its coefficient (0.918367347).
Square it (0.8433985840) and add it to both sides.

Add '0.8433985840' to each side of the equation.
1.836734694t + 0.8433985840 + t2 = 193.877551 + 0.8433985840

Reorder the terms:
0.8433985840 + 1.836734694t + t2 = 193.877551 + 0.8433985840

Combine like terms: 193.877551 + 0.8433985840 = 194.720949584
0.8433985840 + 1.836734694t + t2 = 194.720949584

Factor a perfect square on the left side:
(t + 0.918367347)(t + 0.918367347) = 194.720949584

Calculate the square root of the right side: 13.954244859

Break this problem into two subproblems by setting 
(t + 0.918367347) equal to 13.954244859 and -13.954244859.

Subproblem 1

t + 0.918367347 = 13.954244859 Simplifying t + 0.918367347 = 13.954244859 Reorder the terms: 0.918367347 + t = 13.954244859 Solving 0.918367347 + t = 13.954244859 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.918367347' to each side of the equation. 0.918367347 + -0.918367347 + t = 13.954244859 + -0.918367347 Combine like terms: 0.918367347 + -0.918367347 = 0.000000000 0.000000000 + t = 13.954244859 + -0.918367347 t = 13.954244859 + -0.918367347 Combine like terms: 13.954244859 + -0.918367347 = 13.035877512 t = 13.035877512 Simplifying t = 13.035877512

Subproblem 2

t + 0.918367347 = -13.954244859 Simplifying t + 0.918367347 = -13.954244859 Reorder the terms: 0.918367347 + t = -13.954244859 Solving 0.918367347 + t = -13.954244859 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.918367347' to each side of the equation. 0.918367347 + -0.918367347 + t = -13.954244859 + -0.918367347 Combine like terms: 0.918367347 + -0.918367347 = 0.000000000 0.000000000 + t = -13.954244859 + -0.918367347 t = -13.954244859 + -0.918367347 Combine like terms: -13.954244859 + -0.918367347 = -14.872612206 t = -14.872612206 Simplifying t = -14.872612206

Solution

The solution to the problem is based on the solutions from the subproblems. t = {13.035877512, -14.872612206}

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