1.5+19t-0.8t^2=0

Simple and best practice solution for 1.5+19t-0.8t^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 1.5+19t-0.8t^2=0 equation:


Simplifying
1.5 + 19t + -0.8t2 = 0

Solving
1.5 + 19t + -0.8t2 = 0

Solving for variable 't'.

Begin completing the square.  Divide all terms by
-0.8 the coefficient of the squared term: 

Divide each side by '-0.8'.
-1.875 + -23.75t + t2 = 0

Move the constant term to the right:

Add '1.875' to each side of the equation.
-1.875 + -23.75t + 1.875 + t2 = 0 + 1.875

Reorder the terms:
-1.875 + 1.875 + -23.75t + t2 = 0 + 1.875

Combine like terms: -1.875 + 1.875 = 0.000
0.000 + -23.75t + t2 = 0 + 1.875
-23.75t + t2 = 0 + 1.875

Combine like terms: 0 + 1.875 = 1.875
-23.75t + t2 = 1.875

The t term is -23.75t.  Take half its coefficient (-11.875).
Square it (141.015625) and add it to both sides.

Add '141.015625' to each side of the equation.
-23.75t + 141.015625 + t2 = 1.875 + 141.015625

Reorder the terms:
141.015625 + -23.75t + t2 = 1.875 + 141.015625

Combine like terms: 1.875 + 141.015625 = 142.890625
141.015625 + -23.75t + t2 = 142.890625

Factor a perfect square on the left side:
(t + -11.875)(t + -11.875) = 142.890625

Calculate the square root of the right side: 11.95368667

Break this problem into two subproblems by setting 
(t + -11.875) equal to 11.95368667 and -11.95368667.

Subproblem 1

t + -11.875 = 11.95368667 Simplifying t + -11.875 = 11.95368667 Reorder the terms: -11.875 + t = 11.95368667 Solving -11.875 + t = 11.95368667 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '11.875' to each side of the equation. -11.875 + 11.875 + t = 11.95368667 + 11.875 Combine like terms: -11.875 + 11.875 = 0.000 0.000 + t = 11.95368667 + 11.875 t = 11.95368667 + 11.875 Combine like terms: 11.95368667 + 11.875 = 23.82868667 t = 23.82868667 Simplifying t = 23.82868667

Subproblem 2

t + -11.875 = -11.95368667 Simplifying t + -11.875 = -11.95368667 Reorder the terms: -11.875 + t = -11.95368667 Solving -11.875 + t = -11.95368667 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '11.875' to each side of the equation. -11.875 + 11.875 + t = -11.95368667 + 11.875 Combine like terms: -11.875 + 11.875 = 0.000 0.000 + t = -11.95368667 + 11.875 t = -11.95368667 + 11.875 Combine like terms: -11.95368667 + 11.875 = -0.07868667 t = -0.07868667 Simplifying t = -0.07868667

Solution

The solution to the problem is based on the solutions from the subproblems. t = {23.82868667, -0.07868667}

See similar equations:

| x+4*5=65 | | 3c-2b= | | 3y+1=5 | | -2x+5y=-4.5 | | 6t-8=3t+13 | | 42=18-8a | | -(3/7)x=21 | | 4/12y-16=0 | | P+(5p*7p)= | | 0.9(x+15)=2.5-(x+3) | | 32w+24=-21 | | 14+6z=8 | | 3x+7=-(5-2x)+x-2 | | 2(x-3)+4(x-5)=3x+4(x+6)+2 | | 6x-3-5x= | | m-0.6=-0.4 | | 30.0=0.5*70.0*x^2 | | 4x+14=6x | | -8c+7d=-70 | | -0.2f=0.8 | | 3x+8=x+5 | | x(-2x)=0 | | (4v-5)(3-v)=0 | | X=48+56 | | -2x^2+4x+1=1 | | (4v-5)(s-v)=0 | | 5x-2(x-1)=2+3x | | 4l=-3 | | 1/2x-1/3=x | | (4x^2-9)/(2x-3) | | 3y+53= | | m/-11=5 |

Equations solver categories