4.9t^2-2.39t-3.44=0

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Solution for 4.9t^2-2.39t-3.44=0 equation:


Simplifying
4.9t2 + -2.39t + -3.44 = 0

Reorder the terms:
-3.44 + -2.39t + 4.9t2 = 0

Solving
-3.44 + -2.39t + 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'.
-0.7020408163 + -0.487755102t + t2 = 0

Move the constant term to the right:

Add '0.7020408163' to each side of the equation.
-0.7020408163 + -0.487755102t + 0.7020408163 + t2 = 0 + 0.7020408163

Reorder the terms:
-0.7020408163 + 0.7020408163 + -0.487755102t + t2 = 0 + 0.7020408163

Combine like terms: -0.7020408163 + 0.7020408163 = 0.0000000000
0.0000000000 + -0.487755102t + t2 = 0 + 0.7020408163
-0.487755102t + t2 = 0 + 0.7020408163

Combine like terms: 0 + 0.7020408163 = 0.7020408163
-0.487755102t + t2 = 0.7020408163

The t term is -0.487755102t.  Take half its coefficient (-0.243877551).
Square it (0.05947625988) and add it to both sides.

Add '0.05947625988' to each side of the equation.
-0.487755102t + 0.05947625988 + t2 = 0.7020408163 + 0.05947625988

Reorder the terms:
0.05947625988 + -0.487755102t + t2 = 0.7020408163 + 0.05947625988

Combine like terms: 0.7020408163 + 0.05947625988 = 0.76151707618
0.05947625988 + -0.487755102t + t2 = 0.76151707618

Factor a perfect square on the left side:
(t + -0.243877551)(t + -0.243877551) = 0.76151707618

Calculate the square root of the right side: 0.872649458

Break this problem into two subproblems by setting 
(t + -0.243877551) equal to 0.872649458 and -0.872649458.

Subproblem 1

t + -0.243877551 = 0.872649458 Simplifying t + -0.243877551 = 0.872649458 Reorder the terms: -0.243877551 + t = 0.872649458 Solving -0.243877551 + t = 0.872649458 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.243877551' to each side of the equation. -0.243877551 + 0.243877551 + t = 0.872649458 + 0.243877551 Combine like terms: -0.243877551 + 0.243877551 = 0.000000000 0.000000000 + t = 0.872649458 + 0.243877551 t = 0.872649458 + 0.243877551 Combine like terms: 0.872649458 + 0.243877551 = 1.116527009 t = 1.116527009 Simplifying t = 1.116527009

Subproblem 2

t + -0.243877551 = -0.872649458 Simplifying t + -0.243877551 = -0.872649458 Reorder the terms: -0.243877551 + t = -0.872649458 Solving -0.243877551 + t = -0.872649458 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.243877551' to each side of the equation. -0.243877551 + 0.243877551 + t = -0.872649458 + 0.243877551 Combine like terms: -0.243877551 + 0.243877551 = 0.000000000 0.000000000 + t = -0.872649458 + 0.243877551 t = -0.872649458 + 0.243877551 Combine like terms: -0.872649458 + 0.243877551 = -0.628771907 t = -0.628771907 Simplifying t = -0.628771907

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.116527009, -0.628771907}

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