-4.9t^2+27.5t+8.2=0

Simple and best practice solution for -4.9t^2+27.5t+8.2=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+27.5t+8.2=0 equation:


Simplifying
-4.9t2 + 27.5t + 8.2 = 0

Reorder the terms:
8.2 + 27.5t + -4.9t2 = 0

Solving
8.2 + 27.5t + -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'.
-1.673469388 + -5.612244898t + t2 = 0

Move the constant term to the right:

Add '1.673469388' to each side of the equation.
-1.673469388 + -5.612244898t + 1.673469388 + t2 = 0 + 1.673469388

Reorder the terms:
-1.673469388 + 1.673469388 + -5.612244898t + t2 = 0 + 1.673469388

Combine like terms: -1.673469388 + 1.673469388 = 0.000000000
0.000000000 + -5.612244898t + t2 = 0 + 1.673469388
-5.612244898t + t2 = 0 + 1.673469388

Combine like terms: 0 + 1.673469388 = 1.673469388
-5.612244898t + t2 = 1.673469388

The t term is -5.612244898t.  Take half its coefficient (-2.806122449).
Square it (7.874323199) and add it to both sides.

Add '7.874323199' to each side of the equation.
-5.612244898t + 7.874323199 + t2 = 1.673469388 + 7.874323199

Reorder the terms:
7.874323199 + -5.612244898t + t2 = 1.673469388 + 7.874323199

Combine like terms: 1.673469388 + 7.874323199 = 9.547792587
7.874323199 + -5.612244898t + t2 = 9.547792587

Factor a perfect square on the left side:
(t + -2.806122449)(t + -2.806122449) = 9.547792587

Calculate the square root of the right side: 3.089950256

Break this problem into two subproblems by setting 
(t + -2.806122449) equal to 3.089950256 and -3.089950256.

Subproblem 1

t + -2.806122449 = 3.089950256 Simplifying t + -2.806122449 = 3.089950256 Reorder the terms: -2.806122449 + t = 3.089950256 Solving -2.806122449 + t = 3.089950256 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.806122449' to each side of the equation. -2.806122449 + 2.806122449 + t = 3.089950256 + 2.806122449 Combine like terms: -2.806122449 + 2.806122449 = 0.000000000 0.000000000 + t = 3.089950256 + 2.806122449 t = 3.089950256 + 2.806122449 Combine like terms: 3.089950256 + 2.806122449 = 5.896072705 t = 5.896072705 Simplifying t = 5.896072705

Subproblem 2

t + -2.806122449 = -3.089950256 Simplifying t + -2.806122449 = -3.089950256 Reorder the terms: -2.806122449 + t = -3.089950256 Solving -2.806122449 + t = -3.089950256 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.806122449' to each side of the equation. -2.806122449 + 2.806122449 + t = -3.089950256 + 2.806122449 Combine like terms: -2.806122449 + 2.806122449 = 0.000000000 0.000000000 + t = -3.089950256 + 2.806122449 t = -3.089950256 + 2.806122449 Combine like terms: -3.089950256 + 2.806122449 = -0.283827807 t = -0.283827807 Simplifying t = -0.283827807

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.896072705, -0.283827807}

See similar equations:

| M+9=-2 | | g=41/4(21/3) | | m^2-9/2m=3/2 | | m^2-9/2m=3/2 | | -4.9t^2+24.5t+8.8=0 | | c=10/33(42/5) | | y2+3/2y=3 | | t=3/2(-4/9) | | 41-7y=8 | | 5x^2+6x-12=0 | | j=7/5+(-87/8) | | 2x-4(11-3x)=-2 | | 3x+4/10=x/5 | | 9/32=-y/8 | | y=9(2/7)-5(5/6) | | 41+x=111 | | 2=569y | | 6/5=3x | | 2a-15=5a | | (-x^2+4x-3)+(5x^2+2x+7)= | | 16+-4(2)= | | h=5(11/20)+4(7/12) | | 2x(5+3)-4(2)= | | (-x^2+4x-3)-(5x^2+2x+7)= | | tanx=0.3 | | a=1(1/2)-(3/4) | | 3x^2=509 | | q=1/12-(-7/12) | | b=5/7-3/7 | | 2x^4-6x^2+36=0 | | 6x+2(7x)=8 | | 11d+1=8d+4 |

Equations solver categories