t^2+8t=16

Simple and best practice solution for t^2+8t=16 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 t^2+8t=16 equation:


Simplifying
t2 + 8t = 16

Reorder the terms:
8t + t2 = 16

Solving
8t + t2 = 16

Solving for variable 't'.

Reorder the terms:
-16 + 8t + t2 = 16 + -16

Combine like terms: 16 + -16 = 0
-16 + 8t + t2 = 0

Begin completing the square.

Move the constant term to the right:

Add '16' to each side of the equation.
-16 + 8t + 16 + t2 = 0 + 16

Reorder the terms:
-16 + 16 + 8t + t2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 8t + t2 = 0 + 16
8t + t2 = 0 + 16

Combine like terms: 0 + 16 = 16
8t + t2 = 16

The t term is 8t.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8t + 16 + t2 = 16 + 16

Reorder the terms:
16 + 8t + t2 = 16 + 16

Combine like terms: 16 + 16 = 32
16 + 8t + t2 = 32

Factor a perfect square on the left side:
(t + 4)(t + 4) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(t + 4) equal to 5.656854249 and -5.656854249.

Subproblem 1

t + 4 = 5.656854249 Simplifying t + 4 = 5.656854249 Reorder the terms: 4 + t = 5.656854249 Solving 4 + t = 5.656854249 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + t = 5.656854249 + -4 Combine like terms: 4 + -4 = 0 0 + t = 5.656854249 + -4 t = 5.656854249 + -4 Combine like terms: 5.656854249 + -4 = 1.656854249 t = 1.656854249 Simplifying t = 1.656854249

Subproblem 2

t + 4 = -5.656854249 Simplifying t + 4 = -5.656854249 Reorder the terms: 4 + t = -5.656854249 Solving 4 + t = -5.656854249 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + t = -5.656854249 + -4 Combine like terms: 4 + -4 = 0 0 + t = -5.656854249 + -4 t = -5.656854249 + -4 Combine like terms: -5.656854249 + -4 = -9.656854249 t = -9.656854249 Simplifying t = -9.656854249

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.656854249, -9.656854249}

See similar equations:

| 14x+21= | | (40)/((w^2)-10w+9)=-(2w/(w-1)) | | 9x^2-113x-320=0 | | 2x^3-10x^2= | | x^2+2x=-18 | | (x^3-6)(x^3-6)+3(x^3-6)-10=0 | | 3.6-1025(2.1x-7.3)=6.2x+3.23 | | q^2-4q+6=0 | | 2w^2-9w+40=0 | | 60x^2+93x+36=0 | | x^4+x^3+x-1=0 | | (9/x^2)-(9/(x+1))=0 | | 25(19-2x)/12=19 | | (9/x^2)-(9/x+1)=0 | | .24x+1.1=2.56x-1.5 | | 0.1d+3p=75 | | 9=6+5/4a | | sqrt(x)=8 | | 3+x/4=x-2 | | .66x=9.25+2.66 | | 372=(60)(2)(r) | | x-16x^(1/2)-512 | | x^2+8x+(2sqrt(x^2+8x))=15 | | (64)^1/6 | | 64^1/6 | | |-7x+8|=|7-5x| | | sine(2x)+4cos(x)=0 | | 3.33x=20 | | sin(2x)+4cos(x)=0 | | 10+8x/18=x | | 2x+.5x=10 | | x^2-6x+y^2+4y+12=0 |

Equations solver categories