=-4.9t^2+26t+45

Simple and best practice solution for =-4.9t^2+26t+45 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+26t+45 equation:


Simplifying
0 = -4.9t2 + 26t + 45

Reorder the terms:
0 = 45 + 26t + -4.9t2

Solving
0 = 45 + 26t + -4.9t2

Solving for variable 't'.

Combine like terms: 0 + -45 = -45
-45 + -26t + 4.9t2 = 45 + 26t + -4.9t2 + -45 + -26t + 4.9t2

Reorder the terms:
-45 + -26t + 4.9t2 = 45 + -45 + 26t + -26t + -4.9t2 + 4.9t2

Combine like terms: 45 + -45 = 0
-45 + -26t + 4.9t2 = 0 + 26t + -26t + -4.9t2 + 4.9t2
-45 + -26t + 4.9t2 = 26t + -26t + -4.9t2 + 4.9t2

Combine like terms: 26t + -26t = 0
-45 + -26t + 4.9t2 = 0 + -4.9t2 + 4.9t2
-45 + -26t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
-45 + -26t + 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'.
-9.183673469 + -5.306122449t + t2 = 0

Move the constant term to the right:

Add '9.183673469' to each side of the equation.
-9.183673469 + -5.306122449t + 9.183673469 + t2 = 0 + 9.183673469

Reorder the terms:
-9.183673469 + 9.183673469 + -5.306122449t + t2 = 0 + 9.183673469

Combine like terms: -9.183673469 + 9.183673469 = 0.000000000
0.000000000 + -5.306122449t + t2 = 0 + 9.183673469
-5.306122449t + t2 = 0 + 9.183673469

Combine like terms: 0 + 9.183673469 = 9.183673469
-5.306122449t + t2 = 9.183673469

The t term is -5.306122449t.  Take half its coefficient (-2.653061225).
Square it (7.038733864) and add it to both sides.

Add '7.038733864' to each side of the equation.
-5.306122449t + 7.038733864 + t2 = 9.183673469 + 7.038733864

Reorder the terms:
7.038733864 + -5.306122449t + t2 = 9.183673469 + 7.038733864

Combine like terms: 9.183673469 + 7.038733864 = 16.222407333
7.038733864 + -5.306122449t + t2 = 16.222407333

Factor a perfect square on the left side:
(t + -2.653061225)(t + -2.653061225) = 16.222407333

Calculate the square root of the right side: 4.027704971

Break this problem into two subproblems by setting 
(t + -2.653061225) equal to 4.027704971 and -4.027704971.

Subproblem 1

t + -2.653061225 = 4.027704971 Simplifying t + -2.653061225 = 4.027704971 Reorder the terms: -2.653061225 + t = 4.027704971 Solving -2.653061225 + t = 4.027704971 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.653061225' to each side of the equation. -2.653061225 + 2.653061225 + t = 4.027704971 + 2.653061225 Combine like terms: -2.653061225 + 2.653061225 = 0.000000000 0.000000000 + t = 4.027704971 + 2.653061225 t = 4.027704971 + 2.653061225 Combine like terms: 4.027704971 + 2.653061225 = 6.680766196 t = 6.680766196 Simplifying t = 6.680766196

Subproblem 2

t + -2.653061225 = -4.027704971 Simplifying t + -2.653061225 = -4.027704971 Reorder the terms: -2.653061225 + t = -4.027704971 Solving -2.653061225 + t = -4.027704971 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.653061225' to each side of the equation. -2.653061225 + 2.653061225 + t = -4.027704971 + 2.653061225 Combine like terms: -2.653061225 + 2.653061225 = 0.000000000 0.000000000 + t = -4.027704971 + 2.653061225 t = -4.027704971 + 2.653061225 Combine like terms: -4.027704971 + 2.653061225 = -1.374643746 t = -1.374643746 Simplifying t = -1.374643746

Solution

The solution to the problem is based on the solutions from the subproblems. t = {6.680766196, -1.374643746}

See similar equations:

| 18a+19b+3c+2c-4b-3a= | | 4x+7y=-3 | | 5b-15=5 | | 4y^25=0 | | 8(n-10)=-4(n-10)+2(5n+12) | | 12y+36=12y+36 | | t(h)=16t^2+96t | | 3(s-2)+2=5s-7-2s | | h(t)=16t^2+96t | | -27=1x | | 24x^2=-64x+128 | | 54+x=5x-6 | | 1-0.5(2x+2)=0.25(1-x) | | 12x^2=147 | | 3b+4=1b-6 | | 15=6x-7y | | 6x^4=4x | | 14a-5b+3a-b= | | -x+1=15 | | (9x-1)(5x-1)=0 | | 4x-5=2x-4 | | 4y=x+3point | | 14x^2+30x=-16 | | (-2x)-x= | | x^3-12=94 | | x+y=2450 | | (-2)-(-2)= | | 0.25x*2x*2.5x+0.25= | | 8d+3d-3d-3d-8=3d | | 14x^2+30=-16 | | 4m^2=m | | 2+4=x-4 |

Equations solver categories