4.9t^2-18t+10=0

Simple and best practice solution for 4.9t^2-18t+10=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 4.9t^2-18t+10=0 equation:


Simplifying
4.9t2 + -18t + 10 = 0

Reorder the terms:
10 + -18t + 4.9t2 = 0

Solving
10 + -18t + 4.9t2 = 0

Solving for variable 't'.

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

Divide each side by '4.9'.
2.040816327 + -3.673469388t + t2 = 0

Move the constant term to the right:

Add '-2.040816327' to each side of the equation.
2.040816327 + -3.673469388t + -2.040816327 + t2 = 0 + -2.040816327

Reorder the terms:
2.040816327 + -2.040816327 + -3.673469388t + t2 = 0 + -2.040816327

Combine like terms: 2.040816327 + -2.040816327 = 0.000000000
0.000000000 + -3.673469388t + t2 = 0 + -2.040816327
-3.673469388t + t2 = 0 + -2.040816327

Combine like terms: 0 + -2.040816327 = -2.040816327
-3.673469388t + t2 = -2.040816327

The t term is -3.673469388t.  Take half its coefficient (-1.836734694).
Square it (3.373594336) and add it to both sides.

Add '3.373594336' to each side of the equation.
-3.673469388t + 3.373594336 + t2 = -2.040816327 + 3.373594336

Reorder the terms:
3.373594336 + -3.673469388t + t2 = -2.040816327 + 3.373594336

Combine like terms: -2.040816327 + 3.373594336 = 1.332778009
3.373594336 + -3.673469388t + t2 = 1.332778009

Factor a perfect square on the left side:
(t + -1.836734694)(t + -1.836734694) = 1.332778009

Calculate the square root of the right side: 1.154460051

Break this problem into two subproblems by setting 
(t + -1.836734694) equal to 1.154460051 and -1.154460051.

Subproblem 1

t + -1.836734694 = 1.154460051 Simplifying t + -1.836734694 = 1.154460051 Reorder the terms: -1.836734694 + t = 1.154460051 Solving -1.836734694 + t = 1.154460051 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.836734694' to each side of the equation. -1.836734694 + 1.836734694 + t = 1.154460051 + 1.836734694 Combine like terms: -1.836734694 + 1.836734694 = 0.000000000 0.000000000 + t = 1.154460051 + 1.836734694 t = 1.154460051 + 1.836734694 Combine like terms: 1.154460051 + 1.836734694 = 2.991194745 t = 2.991194745 Simplifying t = 2.991194745

Subproblem 2

t + -1.836734694 = -1.154460051 Simplifying t + -1.836734694 = -1.154460051 Reorder the terms: -1.836734694 + t = -1.154460051 Solving -1.836734694 + t = -1.154460051 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.836734694' to each side of the equation. -1.836734694 + 1.836734694 + t = -1.154460051 + 1.836734694 Combine like terms: -1.836734694 + 1.836734694 = 0.000000000 0.000000000 + t = -1.154460051 + 1.836734694 t = -1.154460051 + 1.836734694 Combine like terms: -1.154460051 + 1.836734694 = 0.682274643 t = 0.682274643 Simplifying t = 0.682274643

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.991194745, 0.682274643}

See similar equations:

| d=kn | | X^2+y^2-2y+4x=0 | | 3x-(2x+3)=3 | | 2(3a-1)=4-6a | | 2.5x-4.1=3.4 | | 5+2x=53 | | 6(y+4)+5=77 | | 5(2x-6)=6x-7x+14 | | -6(n+4)+27=-3n-12 | | -47+49x=28x+43 | | 7x+5y=102 | | y^2-4y=2x^2 | | x=2y+19 | | 2z+0=x+4 | | 8b-7+8= | | 475-x=x-335+10 | | 3a-b=5b-a | | 100[0.07(y+10)]= | | 450-x=x-335+10 | | 7x+10y=125 | | 5m+8=m | | W+3.75=6.55 | | 2(6x-8)=128 | | 4(2x+7)-3(3x-2)=24 | | 7.73-u=3.73 | | 0.5x+5=19-0.5x | | -(6x-(2x+6))=-3(4(2x-4)-2x) | | 7(4x-9)=-287 | | 770-2x=30 | | x-7-3=-9 | | 3(-1x-1)=-6 | | -(6x-(2x+6))=3-(4(2x-4)-2x) |

Equations solver categories