0=-4.9t^2+25t-45

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Solution for 0=-4.9t^2+25t-45 equation:


Simplifying
0 = -4.9t2 + 25t + -45

Reorder the terms:
0 = -45 + 25t + -4.9t2

Solving
0 = -45 + 25t + -4.9t2

Solving for variable 't'.

Combine like terms: 0 + 45 = 45
45 + -25t + 4.9t2 = -45 + 25t + -4.9t2 + 45 + -25t + 4.9t2

Reorder the terms:
45 + -25t + 4.9t2 = -45 + 45 + 25t + -25t + -4.9t2 + 4.9t2

Combine like terms: -45 + 45 = 0
45 + -25t + 4.9t2 = 0 + 25t + -25t + -4.9t2 + 4.9t2
45 + -25t + 4.9t2 = 25t + -25t + -4.9t2 + 4.9t2

Combine like terms: 25t + -25t = 0
45 + -25t + 4.9t2 = 0 + -4.9t2 + 4.9t2
45 + -25t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
45 + -25t + 4.9t2 = 0.0

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

Divide each side by '4.9'.
9.183673469 + -5.102040816t + t2 = 0

Move the constant term to the right:

Add '-9.183673469' to each side of the equation.
9.183673469 + -5.102040816t + -9.183673469 + t2 = 0 + -9.183673469

Reorder the terms:
9.183673469 + -9.183673469 + -5.102040816t + t2 = 0 + -9.183673469

Combine like terms: 9.183673469 + -9.183673469 = 0.000000000
0.000000000 + -5.102040816t + t2 = 0 + -9.183673469
-5.102040816t + t2 = 0 + -9.183673469

Combine like terms: 0 + -9.183673469 = -9.183673469
-5.102040816t + t2 = -9.183673469

The t term is -5.102040816t.  Take half its coefficient (-2.551020408).
Square it (6.507705122) and add it to both sides.

Add '6.507705122' to each side of the equation.
-5.102040816t + 6.507705122 + t2 = -9.183673469 + 6.507705122

Reorder the terms:
6.507705122 + -5.102040816t + t2 = -9.183673469 + 6.507705122

Combine like terms: -9.183673469 + 6.507705122 = -2.675968347
6.507705122 + -5.102040816t + t2 = -2.675968347

Factor a perfect square on the left side:
(t + -2.551020408)(t + -2.551020408) = -2.675968347

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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