0=4.9t^2-30t+10

Simple and best practice solution for 0=4.9t^2-30t+10 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^2-30t+10 equation:


Simplifying
0 = 4.9t2 + -30t + 10

Reorder the terms:
0 = 10 + -30t + 4.9t2

Solving
0 = 10 + -30t + 4.9t2

Solving for variable 't'.

Combine like terms: 0 + -10 = -10
-10 + 30t + -4.9t2 = 10 + -30t + 4.9t2 + -10 + 30t + -4.9t2

Reorder the terms:
-10 + 30t + -4.9t2 = 10 + -10 + -30t + 30t + 4.9t2 + -4.9t2

Combine like terms: 10 + -10 = 0
-10 + 30t + -4.9t2 = 0 + -30t + 30t + 4.9t2 + -4.9t2
-10 + 30t + -4.9t2 = -30t + 30t + 4.9t2 + -4.9t2

Combine like terms: -30t + 30t = 0
-10 + 30t + -4.9t2 = 0 + 4.9t2 + -4.9t2
-10 + 30t + -4.9t2 = 4.9t2 + -4.9t2

Combine like terms: 4.9t2 + -4.9t2 = 0.0
-10 + 30t + -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'.
2.040816327 + -6.12244898t + t2 = 0

Move the constant term to the right:

Add '-2.040816327' to each side of the equation.
2.040816327 + -6.12244898t + -2.040816327 + t2 = 0 + -2.040816327

Reorder the terms:
2.040816327 + -2.040816327 + -6.12244898t + t2 = 0 + -2.040816327

Combine like terms: 2.040816327 + -2.040816327 = 0.000000000
0.000000000 + -6.12244898t + t2 = 0 + -2.040816327
-6.12244898t + t2 = 0 + -2.040816327

Combine like terms: 0 + -2.040816327 = -2.040816327
-6.12244898t + t2 = -2.040816327

The t term is -6.12244898t.  Take half its coefficient (-3.06122449).
Square it (9.371095378) and add it to both sides.

Add '9.371095378' to each side of the equation.
-6.12244898t + 9.371095378 + t2 = -2.040816327 + 9.371095378

Reorder the terms:
9.371095378 + -6.12244898t + t2 = -2.040816327 + 9.371095378

Combine like terms: -2.040816327 + 9.371095378 = 7.330279051
9.371095378 + -6.12244898t + t2 = 7.330279051

Factor a perfect square on the left side:
(t + -3.06122449)(t + -3.06122449) = 7.330279051

Calculate the square root of the right side: 2.707448809

Break this problem into two subproblems by setting 
(t + -3.06122449) equal to 2.707448809 and -2.707448809.

Subproblem 1

t + -3.06122449 = 2.707448809 Simplifying t + -3.06122449 = 2.707448809 Reorder the terms: -3.06122449 + t = 2.707448809 Solving -3.06122449 + t = 2.707448809 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.06122449' to each side of the equation. -3.06122449 + 3.06122449 + t = 2.707448809 + 3.06122449 Combine like terms: -3.06122449 + 3.06122449 = 0.00000000 0.00000000 + t = 2.707448809 + 3.06122449 t = 2.707448809 + 3.06122449 Combine like terms: 2.707448809 + 3.06122449 = 5.768673299 t = 5.768673299 Simplifying t = 5.768673299

Subproblem 2

t + -3.06122449 = -2.707448809 Simplifying t + -3.06122449 = -2.707448809 Reorder the terms: -3.06122449 + t = -2.707448809 Solving -3.06122449 + t = -2.707448809 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.06122449' to each side of the equation. -3.06122449 + 3.06122449 + t = -2.707448809 + 3.06122449 Combine like terms: -3.06122449 + 3.06122449 = 0.00000000 0.00000000 + t = -2.707448809 + 3.06122449 t = -2.707448809 + 3.06122449 Combine like terms: -2.707448809 + 3.06122449 = 0.353775681 t = 0.353775681 Simplifying t = 0.353775681

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.768673299, 0.353775681}

See similar equations:

| 4.6y=18.4 | | X-8*pie=pie | | (2x+4)(5x-10)=0 | | -3[-7x+8]=144 | | 7x^2-9x+3=0 | | 1019200*(1+r)=1040000 | | 6540=4958xlog(x+1) | | 5/s=10/14 | | 2x^2+15x-1197=0 | | 15=4(n-18)+7 | | -31+X=43 | | 10w+-5w=-15 | | -4x-1=6x-111 | | 2(x+1)=8(x-1)-26 | | 6c+7=25 | | (9-7)20=x | | -71=6x+5x+6 | | 8.7+t-16=0.7 | | 10w+4w=-15 | | 2(-1-5x)=-102 | | 0.28+(-64)= | | 4a+7b=25 | | 327+X=794 | | -3(4x+9)=-39 | | M+12=616 | | 8.3333333333=.75x | | 36=-2(22-z)+4(z-4) | | n+0.1=4.7 | | 4(x+13)=3x-2 | | 7x^2/3 | | 6=.36x | | Y+39=14 |

Equations solver categories