-t^2=4t-24

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Solution for -t^2=4t-24 equation:


Simplifying
-1t2 = 4t + -24

Reorder the terms:
-1t2 = -24 + 4t

Solving
-1t2 = -24 + 4t

Solving for variable 't'.

Reorder the terms:
24 + -4t + -1t2 = -24 + 4t + 24 + -4t

Reorder the terms:
24 + -4t + -1t2 = -24 + 24 + 4t + -4t

Combine like terms: -24 + 24 = 0
24 + -4t + -1t2 = 0 + 4t + -4t
24 + -4t + -1t2 = 4t + -4t

Combine like terms: 4t + -4t = 0
24 + -4t + -1t2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-24 + 4t + t2 = 0

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + 4t + 24 + t2 = 0 + 24

Reorder the terms:
-24 + 24 + 4t + t2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 4t + t2 = 0 + 24
4t + t2 = 0 + 24

Combine like terms: 0 + 24 = 24
4t + t2 = 24

The t term is 4t.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4t + 4 + t2 = 24 + 4

Reorder the terms:
4 + 4t + t2 = 24 + 4

Combine like terms: 24 + 4 = 28
4 + 4t + t2 = 28

Factor a perfect square on the left side:
(t + 2)(t + 2) = 28

Calculate the square root of the right side: 5.291502622

Break this problem into two subproblems by setting 
(t + 2) equal to 5.291502622 and -5.291502622.

Subproblem 1

t + 2 = 5.291502622 Simplifying t + 2 = 5.291502622 Reorder the terms: 2 + t = 5.291502622 Solving 2 + t = 5.291502622 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = 5.291502622 + -2 Combine like terms: 2 + -2 = 0 0 + t = 5.291502622 + -2 t = 5.291502622 + -2 Combine like terms: 5.291502622 + -2 = 3.291502622 t = 3.291502622 Simplifying t = 3.291502622

Subproblem 2

t + 2 = -5.291502622 Simplifying t + 2 = -5.291502622 Reorder the terms: 2 + t = -5.291502622 Solving 2 + t = -5.291502622 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = -5.291502622 + -2 Combine like terms: 2 + -2 = 0 0 + t = -5.291502622 + -2 t = -5.291502622 + -2 Combine like terms: -5.291502622 + -2 = -7.291502622 t = -7.291502622 Simplifying t = -7.291502622

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.291502622, -7.291502622}

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