t^2+12t+25=0

Simple and best practice solution for t^2+12t+25=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 t^2+12t+25=0 equation:


Simplifying
t2 + 12t + 25 = 0

Reorder the terms:
25 + 12t + t2 = 0

Solving
25 + 12t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 12t + -25 + t2 = 0 + -25

Reorder the terms:
25 + -25 + 12t + t2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 12t + t2 = 0 + -25
12t + t2 = 0 + -25

Combine like terms: 0 + -25 = -25
12t + t2 = -25

The t term is 12t.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12t + 36 + t2 = -25 + 36

Reorder the terms:
36 + 12t + t2 = -25 + 36

Combine like terms: -25 + 36 = 11
36 + 12t + t2 = 11

Factor a perfect square on the left side:
(t + 6)(t + 6) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(t + 6) equal to 3.31662479 and -3.31662479.

Subproblem 1

t + 6 = 3.31662479 Simplifying t + 6 = 3.31662479 Reorder the terms: 6 + t = 3.31662479 Solving 6 + t = 3.31662479 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + t = 3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + t = 3.31662479 + -6 t = 3.31662479 + -6 Combine like terms: 3.31662479 + -6 = -2.68337521 t = -2.68337521 Simplifying t = -2.68337521

Subproblem 2

t + 6 = -3.31662479 Simplifying t + 6 = -3.31662479 Reorder the terms: 6 + t = -3.31662479 Solving 6 + t = -3.31662479 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + t = -3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + t = -3.31662479 + -6 t = -3.31662479 + -6 Combine like terms: -3.31662479 + -6 = -9.31662479 t = -9.31662479 Simplifying t = -9.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. t = {-2.68337521, -9.31662479}

See similar equations:

| 0.4m=20 | | X+x+80=400 | | .4+.3(2x-8)=.8x | | 2y+5(2y+3)=2y-5 | | a^2-3a-a= | | 15x-117=36 | | 4(6)(10)= | | (1/6)*x^2-8x=0 | | 4x+11=7x-19 | | (7+5n)+6(1+4n)=13 | | x=x-600 | | 9x+14=4x+37 | | 16r^4e^3s^2+12b^3a^2t^5s= | | 4-2-6= | | 9a+2b-3a-4b= | | 2.50+0.50x=1.00+0.75x | | X+x-2=11 | | 15x/13=90 | | 2l+2b=30 | | 6y4/2y | | (y-1)=9 | | x^(2/6)-8x=0 | | 14u-8u=48 | | 75-2x=3x-66 | | x+600=x | | 64x^2-84x+27=0 | | 2y-5(2y-3)=2y+5 | | 30=2l+2b | | 16X^2=256 | | b^2+b-90=0 | | -5+6+(-3)= | | 3y-9+y+49=7y+40-5y |

Equations solver categories