0=95+7.50t-4.9t^2

Simple and best practice solution for 0=95+7.50t-4.9t^2 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 0=95+7.50t-4.9t^2 equation:


Simplifying
0 = 95 + 7.50t + -4.9t2

Solving
0 = 95 + 7.50t + -4.9t2

Solving for variable 't'.

Combine like terms: 0 + -95 = -95
-95 + -7.50t + 4.9t2 = 95 + 7.50t + -4.9t2 + -95 + -7.50t + 4.9t2

Reorder the terms:
-95 + -7.50t + 4.9t2 = 95 + -95 + 7.50t + -7.50t + -4.9t2 + 4.9t2

Combine like terms: 95 + -95 = 0
-95 + -7.50t + 4.9t2 = 0 + 7.50t + -7.50t + -4.9t2 + 4.9t2
-95 + -7.50t + 4.9t2 = 7.50t + -7.50t + -4.9t2 + 4.9t2

Combine like terms: 7.50t + -7.50t = 0.00
-95 + -7.50t + 4.9t2 = 0.00 + -4.9t2 + 4.9t2
-95 + -7.50t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
-95 + -7.50t + 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'.
-19.3877551 + -1.530612245t + t2 = 0

Move the constant term to the right:

Add '19.3877551' to each side of the equation.
-19.3877551 + -1.530612245t + 19.3877551 + t2 = 0 + 19.3877551

Reorder the terms:
-19.3877551 + 19.3877551 + -1.530612245t + t2 = 0 + 19.3877551

Combine like terms: -19.3877551 + 19.3877551 = 0.0000000
0.0000000 + -1.530612245t + t2 = 0 + 19.3877551
-1.530612245t + t2 = 0 + 19.3877551

Combine like terms: 0 + 19.3877551 = 19.3877551
-1.530612245t + t2 = 19.3877551

The t term is -1.530612245t.  Take half its coefficient (-0.7653061225).
Square it (0.5856934611) and add it to both sides.

Add '0.5856934611' to each side of the equation.
-1.530612245t + 0.5856934611 + t2 = 19.3877551 + 0.5856934611

Reorder the terms:
0.5856934611 + -1.530612245t + t2 = 19.3877551 + 0.5856934611

Combine like terms: 19.3877551 + 0.5856934611 = 19.9734485611
0.5856934611 + -1.530612245t + t2 = 19.9734485611

Factor a perfect square on the left side:
(t + -0.7653061225)(t + -0.7653061225) = 19.9734485611

Calculate the square root of the right side: 4.469166428

Break this problem into two subproblems by setting 
(t + -0.7653061225) equal to 4.469166428 and -4.469166428.

Subproblem 1

t + -0.7653061225 = 4.469166428 Simplifying t + -0.7653061225 = 4.469166428 Reorder the terms: -0.7653061225 + t = 4.469166428 Solving -0.7653061225 + t = 4.469166428 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.7653061225' to each side of the equation. -0.7653061225 + 0.7653061225 + t = 4.469166428 + 0.7653061225 Combine like terms: -0.7653061225 + 0.7653061225 = 0.0000000000 0.0000000000 + t = 4.469166428 + 0.7653061225 t = 4.469166428 + 0.7653061225 Combine like terms: 4.469166428 + 0.7653061225 = 5.2344725505 t = 5.2344725505 Simplifying t = 5.2344725505

Subproblem 2

t + -0.7653061225 = -4.469166428 Simplifying t + -0.7653061225 = -4.469166428 Reorder the terms: -0.7653061225 + t = -4.469166428 Solving -0.7653061225 + t = -4.469166428 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.7653061225' to each side of the equation. -0.7653061225 + 0.7653061225 + t = -4.469166428 + 0.7653061225 Combine like terms: -0.7653061225 + 0.7653061225 = 0.0000000000 0.0000000000 + t = -4.469166428 + 0.7653061225 t = -4.469166428 + 0.7653061225 Combine like terms: -4.469166428 + 0.7653061225 = -3.7038603055 t = -3.7038603055 Simplifying t = -3.7038603055

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.2344725505, -3.7038603055}

See similar equations:

| 67=5x+2(4x-12) | | 4x-7x+5=-5x+4x+11 | | 6(t+7)=-4t+12 | | 8x^3+6y^3= | | 4(-7)=4x+28 | | -22=x+12 | | 2b+9=b+11 | | 2/3r-6=12 | | 11.5(2p+1.50)=11.50 | | [x^2]-12x+36=0 | | -0.2x^2+0.6x-1.5=0 | | 2a+3y=9 | | 84=4x+4(2x-3) | | 7x+4=4x^2 | | 3-a=3a+7 | | -6(-8n-4)=24-7n | | 8(3a-5)4(2a+3)=12 | | 5x+6x-4=7 | | 5y+2(y-8)=4(y-1)-3 | | (2x+9)-(4x+7)-6x=76 | | 156=6x+3(5x-18) | | 7x+146+x+48+65=147 | | 3-a=2a+7 | | 5z-3y+2x=5 | | -8y-8=3y+14 | | 3x-7=3(x-4)+1 | | (5a+9b-10c)+3(-6a+7c)= | | 8x+132=16x-12 | | 35+(.10)X=25+(.15)X | | -4=-2w | | 7x+5(x+18)=150 | | 11-3(2x+5y)= |

Equations solver categories