-16t^2+220t+5=0

Simple and best practice solution for -16t^2+220t+5=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 -16t^2+220t+5=0 equation:


Simplifying
-16t2 + 220t + 5 = 0

Reorder the terms:
5 + 220t + -16t2 = 0

Solving
5 + 220t + -16t2 = 0

Solving for variable 't'.

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
-0.3125 + -13.75t + t2 = 0

Move the constant term to the right:

Add '0.3125' to each side of the equation.
-0.3125 + -13.75t + 0.3125 + t2 = 0 + 0.3125

Reorder the terms:
-0.3125 + 0.3125 + -13.75t + t2 = 0 + 0.3125

Combine like terms: -0.3125 + 0.3125 = 0.0000
0.0000 + -13.75t + t2 = 0 + 0.3125
-13.75t + t2 = 0 + 0.3125

Combine like terms: 0 + 0.3125 = 0.3125
-13.75t + t2 = 0.3125

The t term is -13.75t.  Take half its coefficient (-6.875).
Square it (47.265625) and add it to both sides.

Add '47.265625' to each side of the equation.
-13.75t + 47.265625 + t2 = 0.3125 + 47.265625

Reorder the terms:
47.265625 + -13.75t + t2 = 0.3125 + 47.265625

Combine like terms: 0.3125 + 47.265625 = 47.578125
47.265625 + -13.75t + t2 = 47.578125

Factor a perfect square on the left side:
(t + -6.875)(t + -6.875) = 47.578125

Calculate the square root of the right side: 6.897689831

Break this problem into two subproblems by setting 
(t + -6.875) equal to 6.897689831 and -6.897689831.

Subproblem 1

t + -6.875 = 6.897689831 Simplifying t + -6.875 = 6.897689831 Reorder the terms: -6.875 + t = 6.897689831 Solving -6.875 + t = 6.897689831 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '6.875' to each side of the equation. -6.875 + 6.875 + t = 6.897689831 + 6.875 Combine like terms: -6.875 + 6.875 = 0.000 0.000 + t = 6.897689831 + 6.875 t = 6.897689831 + 6.875 Combine like terms: 6.897689831 + 6.875 = 13.772689831 t = 13.772689831 Simplifying t = 13.772689831

Subproblem 2

t + -6.875 = -6.897689831 Simplifying t + -6.875 = -6.897689831 Reorder the terms: -6.875 + t = -6.897689831 Solving -6.875 + t = -6.897689831 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '6.875' to each side of the equation. -6.875 + 6.875 + t = -6.897689831 + 6.875 Combine like terms: -6.875 + 6.875 = 0.000 0.000 + t = -6.897689831 + 6.875 t = -6.897689831 + 6.875 Combine like terms: -6.897689831 + 6.875 = -0.022689831 t = -0.022689831 Simplifying t = -0.022689831

Solution

The solution to the problem is based on the solutions from the subproblems. t = {13.772689831, -0.022689831}

See similar equations:

| 999999999999999*999999999999999= | | 4x-2=2x-4+2x | | (2x+40)=5x | | 9b+2=-34 | | 123456789*987654321= | | 7.3+8.3+16.62=-10.18+5.5h | | 4(2w-6)+v=2+2v-w | | 5(x+5)=6 | | -3.64+1.3f=-1.3f | | -3.64+1.3f=1.3f | | 4(5+2)-5=3(3x+7) | | 8x-4=88 | | -14.47-16.2d=-13.3d+17.43 | | 19+4+x+(-16)=18 | | -5-(8-15)= | | 19.74+4.9u-7.73=-2.06+2.8u | | 5a-16+7=5a+10-3a-19 | | 8(k-8)=-128 | | (-6)+13=2f-11 | | 4x-12=120 | | -12.7w=-6.48-13.3w | | 7v-(6-2v)=3-(v+1) | | Y=37 | | 5=2x+45 | | -2(7v-3)+8v=3+6(2v-2) | | 20-18j=-20-13j | | 2m^2-10m+4=0 | | 6x+7(x-2)=51 | | -5n=-18-6n | | 6+6p=7p-4+9 | | 5(w+8)=-7(2w-6)+9w | | -2(p-5)+79=-5 |

Equations solver categories