4.9t^2+9t-22=0

Simple and best practice solution for 4.9t^2+9t-22=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+9t-22=0 equation:


Simplifying
4.9t2 + 9t + -22 = 0

Reorder the terms:
-22 + 9t + 4.9t2 = 0

Solving
-22 + 9t + 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'.
-4.489795918 + 1.836734694t + t2 = 0

Move the constant term to the right:

Add '4.489795918' to each side of the equation.
-4.489795918 + 1.836734694t + 4.489795918 + t2 = 0 + 4.489795918

Reorder the terms:
-4.489795918 + 4.489795918 + 1.836734694t + t2 = 0 + 4.489795918

Combine like terms: -4.489795918 + 4.489795918 = 0.000000000
0.000000000 + 1.836734694t + t2 = 0 + 4.489795918
1.836734694t + t2 = 0 + 4.489795918

Combine like terms: 0 + 4.489795918 = 4.489795918
1.836734694t + t2 = 4.489795918

The t term is 1.836734694t.  Take half its coefficient (0.918367347).
Square it (0.8433985840) and add it to both sides.

Add '0.8433985840' to each side of the equation.
1.836734694t + 0.8433985840 + t2 = 4.489795918 + 0.8433985840

Reorder the terms:
0.8433985840 + 1.836734694t + t2 = 4.489795918 + 0.8433985840

Combine like terms: 4.489795918 + 0.8433985840 = 5.333194502
0.8433985840 + 1.836734694t + t2 = 5.333194502

Factor a perfect square on the left side:
(t + 0.918367347)(t + 0.918367347) = 5.333194502

Calculate the square root of the right side: 2.309371019

Break this problem into two subproblems by setting 
(t + 0.918367347) equal to 2.309371019 and -2.309371019.

Subproblem 1

t + 0.918367347 = 2.309371019 Simplifying t + 0.918367347 = 2.309371019 Reorder the terms: 0.918367347 + t = 2.309371019 Solving 0.918367347 + t = 2.309371019 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.918367347' to each side of the equation. 0.918367347 + -0.918367347 + t = 2.309371019 + -0.918367347 Combine like terms: 0.918367347 + -0.918367347 = 0.000000000 0.000000000 + t = 2.309371019 + -0.918367347 t = 2.309371019 + -0.918367347 Combine like terms: 2.309371019 + -0.918367347 = 1.391003672 t = 1.391003672 Simplifying t = 1.391003672

Subproblem 2

t + 0.918367347 = -2.309371019 Simplifying t + 0.918367347 = -2.309371019 Reorder the terms: 0.918367347 + t = -2.309371019 Solving 0.918367347 + t = -2.309371019 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.918367347' to each side of the equation. 0.918367347 + -0.918367347 + t = -2.309371019 + -0.918367347 Combine like terms: 0.918367347 + -0.918367347 = 0.000000000 0.000000000 + t = -2.309371019 + -0.918367347 t = -2.309371019 + -0.918367347 Combine like terms: -2.309371019 + -0.918367347 = -3.227738366 t = -3.227738366 Simplifying t = -3.227738366

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.391003672, -3.227738366}

See similar equations:

| g(x)=-2x-4x+7 | | 4(x+17)=x+19 | | 7.85-2.15*c=20.75 | | Log(X+5)+log(X-5)=2 | | 6+2=6-6 | | -8.29-19.7n-19.5=18.71-12.2n | | 7.85-2.15*c=2-.75 | | -x^2-3x+10=y | | y-6=3(x+6) | | 3x+5x+6x=21 | | y=x*(-x)+7 | | 2[b-(4b-5)]=a-7 | | 4.8m-12.99=-15.15+10.2m | | 6x+18=12x-12 | | 2(k-4)=0 | | 3x-5=105-7x | | 8(g-3)=15 | | -60=-6(4+2z) | | 17-s=17-5s | | N^5-5n-n+5= | | 4x+53=2(x+23) | | -19-15y-5=18-18y | | log(X+5)+(X-5)=2 | | 6(3c-1)=-49 | | 3x+(-1)=10+2x | | 0.2x+0.4=0.1x | | 4x+53=2(x+53) | | 4x+6y+6=180 | | 3(2u-6)-8=7u-50+2u | | -5.2h=-6.5h-19.2 | | 8(b+1)=3(2b-8)-16 | | 4x+7=6x-23 |

Equations solver categories