4.9t^2-32t-1.9=0

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Solution for 4.9t^2-32t-1.9=0 equation:


Simplifying
4.9t2 + -32t + -1.9 = 0

Reorder the terms:
-1.9 + -32t + 4.9t2 = 0

Solving
-1.9 + -32t + 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'.
-0.387755102 + -6.530612245t + t2 = 0

Move the constant term to the right:

Add '0.387755102' to each side of the equation.
-0.387755102 + -6.530612245t + 0.387755102 + t2 = 0 + 0.387755102

Reorder the terms:
-0.387755102 + 0.387755102 + -6.530612245t + t2 = 0 + 0.387755102

Combine like terms: -0.387755102 + 0.387755102 = 0.000000000
0.000000000 + -6.530612245t + t2 = 0 + 0.387755102
-6.530612245t + t2 = 0 + 0.387755102

Combine like terms: 0 + 0.387755102 = 0.387755102
-6.530612245t + t2 = 0.387755102

The t term is -6.530612245t.  Take half its coefficient (-3.265306123).
Square it (10.66222408) and add it to both sides.

Add '10.66222408' to each side of the equation.
-6.530612245t + 10.66222408 + t2 = 0.387755102 + 10.66222408

Reorder the terms:
10.66222408 + -6.530612245t + t2 = 0.387755102 + 10.66222408

Combine like terms: 0.387755102 + 10.66222408 = 11.049979182
10.66222408 + -6.530612245t + t2 = 11.049979182

Factor a perfect square on the left side:
(t + -3.265306123)(t + -3.265306123) = 11.049979182

Calculate the square root of the right side: 3.324150896

Break this problem into two subproblems by setting 
(t + -3.265306123) equal to 3.324150896 and -3.324150896.

Subproblem 1

t + -3.265306123 = 3.324150896 Simplifying t + -3.265306123 = 3.324150896 Reorder the terms: -3.265306123 + t = 3.324150896 Solving -3.265306123 + t = 3.324150896 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.265306123' to each side of the equation. -3.265306123 + 3.265306123 + t = 3.324150896 + 3.265306123 Combine like terms: -3.265306123 + 3.265306123 = 0.000000000 0.000000000 + t = 3.324150896 + 3.265306123 t = 3.324150896 + 3.265306123 Combine like terms: 3.324150896 + 3.265306123 = 6.589457019 t = 6.589457019 Simplifying t = 6.589457019

Subproblem 2

t + -3.265306123 = -3.324150896 Simplifying t + -3.265306123 = -3.324150896 Reorder the terms: -3.265306123 + t = -3.324150896 Solving -3.265306123 + t = -3.324150896 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.265306123' to each side of the equation. -3.265306123 + 3.265306123 + t = -3.324150896 + 3.265306123 Combine like terms: -3.265306123 + 3.265306123 = 0.000000000 0.000000000 + t = -3.324150896 + 3.265306123 t = -3.324150896 + 3.265306123 Combine like terms: -3.324150896 + 3.265306123 = -0.058844773 t = -0.058844773 Simplifying t = -0.058844773

Solution

The solution to the problem is based on the solutions from the subproblems. t = {6.589457019, -0.058844773}

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