-2.29t+4.9t^2-22=0

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Solution for -2.29t+4.9t^2-22=0 equation:


Simplifying
-2.29t + 4.9t2 + -22 = 0

Reorder the terms:
-22 + -2.29t + 4.9t2 = 0

Solving
-22 + -2.29t + 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'.
-4.489795918 + -0.4673469388t + t2 = 0

Move the constant term to the right:

Add '4.489795918' to each side of the equation.
-4.489795918 + -0.4673469388t + 4.489795918 + t2 = 0 + 4.489795918

Reorder the terms:
-4.489795918 + 4.489795918 + -0.4673469388t + t2 = 0 + 4.489795918

Combine like terms: -4.489795918 + 4.489795918 = 0.000000000
0.000000000 + -0.4673469388t + t2 = 0 + 4.489795918
-0.4673469388t + t2 = 0 + 4.489795918

Combine like terms: 0 + 4.489795918 = 4.489795918
-0.4673469388t + t2 = 4.489795918

The t term is -0.4673469388t.  Take half its coefficient (-0.2336734694).
Square it (0.05460329030) and add it to both sides.

Add '0.05460329030' to each side of the equation.
-0.4673469388t + 0.05460329030 + t2 = 4.489795918 + 0.05460329030

Reorder the terms:
0.05460329030 + -0.4673469388t + t2 = 4.489795918 + 0.05460329030

Combine like terms: 4.489795918 + 0.05460329030 = 4.5443992083
0.05460329030 + -0.4673469388t + t2 = 4.5443992083

Factor a perfect square on the left side:
(t + -0.2336734694)(t + -0.2336734694) = 4.5443992083

Calculate the square root of the right side: 2.131759651

Break this problem into two subproblems by setting 
(t + -0.2336734694) equal to 2.131759651 and -2.131759651.

Subproblem 1

t + -0.2336734694 = 2.131759651 Simplifying t + -0.2336734694 = 2.131759651 Reorder the terms: -0.2336734694 + t = 2.131759651 Solving -0.2336734694 + t = 2.131759651 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.2336734694' to each side of the equation. -0.2336734694 + 0.2336734694 + t = 2.131759651 + 0.2336734694 Combine like terms: -0.2336734694 + 0.2336734694 = 0.0000000000 0.0000000000 + t = 2.131759651 + 0.2336734694 t = 2.131759651 + 0.2336734694 Combine like terms: 2.131759651 + 0.2336734694 = 2.3654331204 t = 2.3654331204 Simplifying t = 2.3654331204

Subproblem 2

t + -0.2336734694 = -2.131759651 Simplifying t + -0.2336734694 = -2.131759651 Reorder the terms: -0.2336734694 + t = -2.131759651 Solving -0.2336734694 + t = -2.131759651 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.2336734694' to each side of the equation. -0.2336734694 + 0.2336734694 + t = -2.131759651 + 0.2336734694 Combine like terms: -0.2336734694 + 0.2336734694 = 0.0000000000 0.0000000000 + t = -2.131759651 + 0.2336734694 t = -2.131759651 + 0.2336734694 Combine like terms: -2.131759651 + 0.2336734694 = -1.8980861816 t = -1.8980861816 Simplifying t = -1.8980861816

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.3654331204, -1.8980861816}

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