-4.9t^2+3805t+5.6=0

Simple and best practice solution for -4.9t^2+3805t+5.6=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -4.9t^2+3805t+5.6=0 equation:


Simplifying
-4.9t2 + 3805t + 5.6 = 0

Reorder the terms:
5.6 + 3805t + -4.9t2 = 0

Solving
5.6 + 3805t + -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'.
-1.142857143 + -776.5306122t + t2 = 0

Move the constant term to the right:

Add '1.142857143' to each side of the equation.
-1.142857143 + -776.5306122t + 1.142857143 + t2 = 0 + 1.142857143

Reorder the terms:
-1.142857143 + 1.142857143 + -776.5306122t + t2 = 0 + 1.142857143

Combine like terms: -1.142857143 + 1.142857143 = 0.000000000
0.000000000 + -776.5306122t + t2 = 0 + 1.142857143
-776.5306122t + t2 = 0 + 1.142857143

Combine like terms: 0 + 1.142857143 = 1.142857143
-776.5306122t + t2 = 1.142857143

The t term is -776.5306122t.  Take half its coefficient (-388.2653061).
Square it (150749.9479) and add it to both sides.

Add '150749.9479' to each side of the equation.
-776.5306122t + 150749.9479 + t2 = 1.142857143 + 150749.9479

Reorder the terms:
150749.9479 + -776.5306122t + t2 = 1.142857143 + 150749.9479

Combine like terms: 1.142857143 + 150749.9479 = 150751.090757143
150749.9479 + -776.5306122t + t2 = 150751.090757143

Factor a perfect square on the left side:
(t + -388.2653061)(t + -388.2653061) = 150751.090757143

Calculate the square root of the right side: 388.266777818

Break this problem into two subproblems by setting 
(t + -388.2653061) equal to 388.266777818 and -388.266777818.

Subproblem 1

t + -388.2653061 = 388.266777818 Simplifying t + -388.2653061 = 388.266777818 Reorder the terms: -388.2653061 + t = 388.266777818 Solving -388.2653061 + t = 388.266777818 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '388.2653061' to each side of the equation. -388.2653061 + 388.2653061 + t = 388.266777818 + 388.2653061 Combine like terms: -388.2653061 + 388.2653061 = 0.0000000 0.0000000 + t = 388.266777818 + 388.2653061 t = 388.266777818 + 388.2653061 Combine like terms: 388.266777818 + 388.2653061 = 776.532083918 t = 776.532083918 Simplifying t = 776.532083918

Subproblem 2

t + -388.2653061 = -388.266777818 Simplifying t + -388.2653061 = -388.266777818 Reorder the terms: -388.2653061 + t = -388.266777818 Solving -388.2653061 + t = -388.266777818 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '388.2653061' to each side of the equation. -388.2653061 + 388.2653061 + t = -388.266777818 + 388.2653061 Combine like terms: -388.2653061 + 388.2653061 = 0.0000000 0.0000000 + t = -388.266777818 + 388.2653061 t = -388.266777818 + 388.2653061 Combine like terms: -388.266777818 + 388.2653061 = -0.001471718 t = -0.001471718 Simplifying t = -0.001471718

Solution

The solution to the problem is based on the solutions from the subproblems. t = {776.532083918, -0.001471718}

See similar equations:

| 2a-21.7=a+13 | | -10=.5x^2+8 | | 6n+22=-50 | | (3n^2+2n-1)+(2n^2+n+9)= | | y-9=3(x+3) | | 2.5x=5x+-3 | | -5(8m-10)=6-4(9m-9) | | x+217=290 | | -32=-4(-y+3) | | 5h+22=79 | | 33-7x=11+4x | | 8x+8=11x+4+3x+4 | | 12x=11x+7 | | 3(x+1)=3x+2 | | -6(6+11x)=-6(1+11x) | | d+f=g | | -72+x=15 | | 2f+3=45+2a | | 4/3=9/v | | 0.5(6x-4)=4x-99 | | 7b-13=3(3+6b) | | 5(3n+2)=6(6n+5)+6 | | (x-3)(2x+5)=6 | | -16=5b+3b | | x-3.7=5.9 | | 4x+8x-63=42-9x | | 18x-27=8x | | 2+8.95p=23.65 | | -5=t-16 | | 3(4z)=-14+12z | | -5(x+4)=-4-7x | | 4c-5-10c-18c+7+12c= |

Equations solver categories