0=-4.9t^2+33.6t+4.9

Simple and best practice solution for 0=-4.9t^2+33.6t+4.9 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=-4.9t^2+33.6t+4.9 equation:


Simplifying
0 = -4.9t2 + 33.6t + 4.9

Reorder the terms:
0 = 4.9 + 33.6t + -4.9t2

Solving
0 = 4.9 + 33.6t + -4.9t2

Solving for variable 't'.

Combine like terms: 0 + -4.9 = -4.9
-4.9 + -33.6t + 4.9t2 = 4.9 + 33.6t + -4.9t2 + -4.9 + -33.6t + 4.9t2

Reorder the terms:
-4.9 + -33.6t + 4.9t2 = 4.9 + -4.9 + 33.6t + -33.6t + -4.9t2 + 4.9t2

Combine like terms: 4.9 + -4.9 = 0.0
-4.9 + -33.6t + 4.9t2 = 0.0 + 33.6t + -33.6t + -4.9t2 + 4.9t2
-4.9 + -33.6t + 4.9t2 = 33.6t + -33.6t + -4.9t2 + 4.9t2

Combine like terms: 33.6t + -33.6t = 0.0
-4.9 + -33.6t + 4.9t2 = 0.0 + -4.9t2 + 4.9t2
-4.9 + -33.6t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
-4.9 + -33.6t + 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'.
-1 + -6.857142857t + t2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -6.857142857t + 1 + t2 = 0 + 1

Reorder the terms:
-1 + 1 + -6.857142857t + t2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -6.857142857t + t2 = 0 + 1
-6.857142857t + t2 = 0 + 1

Combine like terms: 0 + 1 = 1
-6.857142857t + t2 = 1

The t term is -6.857142857t.  Take half its coefficient (-3.428571429).
Square it (11.75510204) and add it to both sides.

Add '11.75510204' to each side of the equation.
-6.857142857t + 11.75510204 + t2 = 1 + 11.75510204

Reorder the terms:
11.75510204 + -6.857142857t + t2 = 1 + 11.75510204

Combine like terms: 1 + 11.75510204 = 12.75510204
11.75510204 + -6.857142857t + t2 = 12.75510204

Factor a perfect square on the left side:
(t + -3.428571429)(t + -3.428571429) = 12.75510204

Calculate the square root of the right side: 3.571428571

Break this problem into two subproblems by setting 
(t + -3.428571429) equal to 3.571428571 and -3.571428571.

Subproblem 1

t + -3.428571429 = 3.571428571 Simplifying t + -3.428571429 = 3.571428571 Reorder the terms: -3.428571429 + t = 3.571428571 Solving -3.428571429 + t = 3.571428571 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.428571429' to each side of the equation. -3.428571429 + 3.428571429 + t = 3.571428571 + 3.428571429 Combine like terms: -3.428571429 + 3.428571429 = 0.000000000 0.000000000 + t = 3.571428571 + 3.428571429 t = 3.571428571 + 3.428571429 Combine like terms: 3.571428571 + 3.428571429 = 7 t = 7 Simplifying t = 7

Subproblem 2

t + -3.428571429 = -3.571428571 Simplifying t + -3.428571429 = -3.571428571 Reorder the terms: -3.428571429 + t = -3.571428571 Solving -3.428571429 + t = -3.571428571 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.428571429' to each side of the equation. -3.428571429 + 3.428571429 + t = -3.571428571 + 3.428571429 Combine like terms: -3.428571429 + 3.428571429 = 0.000000000 0.000000000 + t = -3.571428571 + 3.428571429 t = -3.571428571 + 3.428571429 Combine like terms: -3.571428571 + 3.428571429 = -0.142857142 t = -0.142857142 Simplifying t = -0.142857142

Solution

The solution to the problem is based on the solutions from the subproblems. t = {7, -0.142857142}

See similar equations:

| 2x^2-4x-336= | | h(t)=4t-16t^2 | | -7(x-11)=70 | | C=800-10X+0.25X^2 | | 4(y-12)=48 | | 43-4x=7-8x | | 5x-7=35x+11 | | C=0.25X^2-10X+800 | | 3=2y+8 | | 5x+14=-35-2x | | (2x-5)/(2-x) | | 2x-5/2-x | | 6y(4y^2-9)=0 | | 14b+6-2b=6(2b+1) | | 2/3+1/2g=14 | | 2x*x+8-12=-3 | | 3-(2-7x)=8x-(x-1) | | 2(c-5)=5c | | 5(f-7)=50 | | 5a^3c^2+30a^2c= | | x^3+0.7x-0.5=0 | | -5(a-4)=40 | | 3y/12=y/5 | | 130=10x+y | | R=3g+3r | | 15x^2+29x+24=0 | | -5(5n+5)=5 | | 2/9=-6 | | 4-3/x=6-5/x | | 2y+3=2x | | 6ln(4x+8)=22 | | x-3=10/x |

Equations solver categories