1.95t^2-35.5t-248.5=0

Simple and best practice solution for 1.95t^2-35.5t-248.5=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 1.95t^2-35.5t-248.5=0 equation:


Simplifying
1.95t2 + -35.5t + -248.5 = 0

Reorder the terms:
-248.5 + -35.5t + 1.95t2 = 0

Solving
-248.5 + -35.5t + 1.95t2 = 0

Solving for variable 't'.

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

Divide each side by '1.95'.
-127.4358974 + -18.20512821t + t2 = 0

Move the constant term to the right:

Add '127.4358974' to each side of the equation.
-127.4358974 + -18.20512821t + 127.4358974 + t2 = 0 + 127.4358974

Reorder the terms:
-127.4358974 + 127.4358974 + -18.20512821t + t2 = 0 + 127.4358974

Combine like terms: -127.4358974 + 127.4358974 = 0.0000000
0.0000000 + -18.20512821t + t2 = 0 + 127.4358974
-18.20512821t + t2 = 0 + 127.4358974

Combine like terms: 0 + 127.4358974 = 127.4358974
-18.20512821t + t2 = 127.4358974

The t term is -18.20512821t.  Take half its coefficient (-9.102564105).
Square it (82.85667329) and add it to both sides.

Add '82.85667329' to each side of the equation.
-18.20512821t + 82.85667329 + t2 = 127.4358974 + 82.85667329

Reorder the terms:
82.85667329 + -18.20512821t + t2 = 127.4358974 + 82.85667329

Combine like terms: 127.4358974 + 82.85667329 = 210.29257069
82.85667329 + -18.20512821t + t2 = 210.29257069

Factor a perfect square on the left side:
(t + -9.102564105)(t + -9.102564105) = 210.29257069

Calculate the square root of the right side: 14.501467881

Break this problem into two subproblems by setting 
(t + -9.102564105) equal to 14.501467881 and -14.501467881.

Subproblem 1

t + -9.102564105 = 14.501467881 Simplifying t + -9.102564105 = 14.501467881 Reorder the terms: -9.102564105 + t = 14.501467881 Solving -9.102564105 + t = 14.501467881 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '9.102564105' to each side of the equation. -9.102564105 + 9.102564105 + t = 14.501467881 + 9.102564105 Combine like terms: -9.102564105 + 9.102564105 = 0.000000000 0.000000000 + t = 14.501467881 + 9.102564105 t = 14.501467881 + 9.102564105 Combine like terms: 14.501467881 + 9.102564105 = 23.604031986 t = 23.604031986 Simplifying t = 23.604031986

Subproblem 2

t + -9.102564105 = -14.501467881 Simplifying t + -9.102564105 = -14.501467881 Reorder the terms: -9.102564105 + t = -14.501467881 Solving -9.102564105 + t = -14.501467881 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '9.102564105' to each side of the equation. -9.102564105 + 9.102564105 + t = -14.501467881 + 9.102564105 Combine like terms: -9.102564105 + 9.102564105 = 0.000000000 0.000000000 + t = -14.501467881 + 9.102564105 t = -14.501467881 + 9.102564105 Combine like terms: -14.501467881 + 9.102564105 = -5.398903776 t = -5.398903776 Simplifying t = -5.398903776

Solution

The solution to the problem is based on the solutions from the subproblems. t = {23.604031986, -5.398903776}

See similar equations:

| 3(2+x)=50 | | 3(2+x)=48 | | 1.1x-6x=34.3 | | 7.03=2*3.14*r | | 2.8q-5.2-3.2q=-1.4q-4.6 | | 2/5w-6=7/5w | | 15(t-5)+6t=7(3t+3)-12 | | 9-80= | | -2x-(-4x-14)=8 | | r+9+10r-5-4r= | | ax+bx+c=0 | | 9-56-78= | | 6x+15+9x-10x-8= | | 3s^2+8s+5=0 | | 27+3x=16 | | 21x^2-55x+14=0 | | 20+12k-7k-8= | | 2/17x=12 | | 3/4x=2/3 | | -(3y+3)-(-2y-5)=-3 | | 3(9+x)=34 | | 20+5u+10u-20-14u= | | (x^2+5x+6)(x^2-4x+3xi-12i)=0 | | 0.9w-0.5w+0.1w=5 | | 1/2u=6.5 | | 2/7x=8 | | 4x+y=-4 | | 2(3a-7)=0 | | 2/5x-3/10x=3 | | -(6y-5)-(5y-6)=0 | | y^2+64= | | (3x-6)=(8x-9) |

Equations solver categories