12=t^2-8t

Simple and best practice solution for 12=t^2-8t 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 12=t^2-8t equation:


Simplifying
12 = t2 + -8t

Reorder the terms:
12 = -8t + t2

Solving
12 = -8t + t2

Solving for variable 't'.

Reorder the terms:
12 + 8t + -1t2 = -8t + 8t + t2 + -1t2

Combine like terms: -8t + 8t = 0
12 + 8t + -1t2 = 0 + t2 + -1t2
12 + 8t + -1t2 = t2 + -1t2

Combine like terms: t2 + -1t2 = 0
12 + 8t + -1t2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-12 + -8t + t2 = 0

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + -8t + 12 + t2 = 0 + 12

Reorder the terms:
-12 + 12 + -8t + t2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -8t + t2 = 0 + 12
-8t + t2 = 0 + 12

Combine like terms: 0 + 12 = 12
-8t + t2 = 12

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 = 12 + 16

Reorder the terms:
16 + -8t + t2 = 12 + 16

Combine like terms: 12 + 16 = 28
16 + -8t + t2 = 28

Factor a perfect square on the left side:
(t + -4)(t + -4) = 28

Calculate the square root of the right side: 5.291502622

Break this problem into two subproblems by setting 
(t + -4) equal to 5.291502622 and -5.291502622.

Subproblem 1

t + -4 = 5.291502622 Simplifying t + -4 = 5.291502622 Reorder the terms: -4 + t = 5.291502622 Solving -4 + t = 5.291502622 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 = 5.291502622 + 4 Combine like terms: -4 + 4 = 0 0 + t = 5.291502622 + 4 t = 5.291502622 + 4 Combine like terms: 5.291502622 + 4 = 9.291502622 t = 9.291502622 Simplifying t = 9.291502622

Subproblem 2

t + -4 = -5.291502622 Simplifying t + -4 = -5.291502622 Reorder the terms: -4 + t = -5.291502622 Solving -4 + t = -5.291502622 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 = -5.291502622 + 4 Combine like terms: -4 + 4 = 0 0 + t = -5.291502622 + 4 t = -5.291502622 + 4 Combine like terms: -5.291502622 + 4 = -1.291502622 t = -1.291502622 Simplifying t = -1.291502622

Solution

The solution to the problem is based on the solutions from the subproblems. t = {9.291502622, -1.291502622}

See similar equations:

| (2+x)(2-x)=25 | | y-32=24 | | y(3-y)+5(y-7)= | | U^2-20u-1300=0 | | (2+x)2=25 | | 2(z-1)=8 | | 10x+18x= | | 3(a-6)=-21 | | x^2-3x+43=0 | | x^3+5x^2+2x-8= | | 9-36x^2/8 | | 25x^2-39y^2+150x+390y=-225 | | 6x-18y=-30 | | X+xy+y=20 | | 5/12÷X=-35/18 | | 4x^2+20x+22=0 | | 4n-9=3n+7 | | 8n-3=2n+27 | | 32+7v=-2(7v+5) | | Y=y+9 | | 6-2x=5-x | | 3x^4+2x^3-x^2-1600=0 | | 5y+3=3y-4 | | 4k+5+6k+10=180 | | 4x+3y=7x+4y | | 4[7-(-3x-1)]=60x+48 | | I1/3x-2l | | (1/3x-2) | | 4[7-(3x-1)]=60x+45 | | 128=16t^2+32t | | 3w+2=14 | | (x*.20)+x=113146 |

Equations solver categories