-4.9(t^2+32t)+2=0

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Solution for -4.9(t^2+32t)+2=0 equation:


Simplifying
-4.9(t2 + 32t) + 2 = 0

Reorder the terms:
-4.9(32t + t2) + 2 = 0
(32t * -4.9 + t2 * -4.9) + 2 = 0
(-156.8t + -4.9t2) + 2 = 0

Reorder the terms:
2 + -156.8t + -4.9t2 = 0

Solving
2 + -156.8t + -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'.
-0.4081632653 + 32t + t2 = 0

Move the constant term to the right:

Add '0.4081632653' to each side of the equation.
-0.4081632653 + 32t + 0.4081632653 + t2 = 0 + 0.4081632653

Reorder the terms:
-0.4081632653 + 0.4081632653 + 32t + t2 = 0 + 0.4081632653

Combine like terms: -0.4081632653 + 0.4081632653 = 0.0000000000
0.0000000000 + 32t + t2 = 0 + 0.4081632653
32t + t2 = 0 + 0.4081632653

Combine like terms: 0 + 0.4081632653 = 0.4081632653
32t + t2 = 0.4081632653

The t term is 32t.  Take half its coefficient (16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
32t + 256 + t2 = 0.4081632653 + 256

Reorder the terms:
256 + 32t + t2 = 0.4081632653 + 256

Combine like terms: 0.4081632653 + 256 = 256.4081632653
256 + 32t + t2 = 256.4081632653

Factor a perfect square on the left side:
(t + 16)(t + 16) = 256.4081632653

Calculate the square root of the right side: 16.012750022

Break this problem into two subproblems by setting 
(t + 16) equal to 16.012750022 and -16.012750022.

Subproblem 1

t + 16 = 16.012750022 Simplifying t + 16 = 16.012750022 Reorder the terms: 16 + t = 16.012750022 Solving 16 + t = 16.012750022 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + t = 16.012750022 + -16 Combine like terms: 16 + -16 = 0 0 + t = 16.012750022 + -16 t = 16.012750022 + -16 Combine like terms: 16.012750022 + -16 = 0.012750022 t = 0.012750022 Simplifying t = 0.012750022

Subproblem 2

t + 16 = -16.012750022 Simplifying t + 16 = -16.012750022 Reorder the terms: 16 + t = -16.012750022 Solving 16 + t = -16.012750022 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + t = -16.012750022 + -16 Combine like terms: 16 + -16 = 0 0 + t = -16.012750022 + -16 t = -16.012750022 + -16 Combine like terms: -16.012750022 + -16 = -32.012750022 t = -32.012750022 Simplifying t = -32.012750022

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.012750022, -32.012750022}

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