(11t-30)(5t-21)=t

Simple and best practice solution for (11t-30)(5t-21)=t 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 (11t-30)(5t-21)=t equation:


Simplifying
(11t + -30)(5t + -21) = t

Reorder the terms:
(-30 + 11t)(5t + -21) = t

Reorder the terms:
(-30 + 11t)(-21 + 5t) = t

Multiply (-30 + 11t) * (-21 + 5t)
(-30(-21 + 5t) + 11t * (-21 + 5t)) = t
((-21 * -30 + 5t * -30) + 11t * (-21 + 5t)) = t
((630 + -150t) + 11t * (-21 + 5t)) = t
(630 + -150t + (-21 * 11t + 5t * 11t)) = t
(630 + -150t + (-231t + 55t2)) = t

Combine like terms: -150t + -231t = -381t
(630 + -381t + 55t2) = t

Solving
630 + -381t + 55t2 = t

Solving for variable 't'.

Reorder the terms:
630 + -381t + -1t + 55t2 = t + -1t

Combine like terms: -381t + -1t = -382t
630 + -382t + 55t2 = t + -1t

Combine like terms: t + -1t = 0
630 + -382t + 55t2 = 0

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

Divide each side by '55'.
11.45454545 + -6.945454545t + t2 = 0

Move the constant term to the right:

Add '-11.45454545' to each side of the equation.
11.45454545 + -6.945454545t + -11.45454545 + t2 = 0 + -11.45454545

Reorder the terms:
11.45454545 + -11.45454545 + -6.945454545t + t2 = 0 + -11.45454545

Combine like terms: 11.45454545 + -11.45454545 = 0.00000000
0.00000000 + -6.945454545t + t2 = 0 + -11.45454545
-6.945454545t + t2 = 0 + -11.45454545

Combine like terms: 0 + -11.45454545 = -11.45454545
-6.945454545t + t2 = -11.45454545

The t term is -6.945454545t.  Take half its coefficient (-3.472727273).
Square it (12.05983471) and add it to both sides.

Add '12.05983471' to each side of the equation.
-6.945454545t + 12.05983471 + t2 = -11.45454545 + 12.05983471

Reorder the terms:
12.05983471 + -6.945454545t + t2 = -11.45454545 + 12.05983471

Combine like terms: -11.45454545 + 12.05983471 = 0.60528926
12.05983471 + -6.945454545t + t2 = 0.60528926

Factor a perfect square on the left side:
(t + -3.472727273)(t + -3.472727273) = 0.60528926

Calculate the square root of the right side: 0.77800338

Break this problem into two subproblems by setting 
(t + -3.472727273) equal to 0.77800338 and -0.77800338.

Subproblem 1

t + -3.472727273 = 0.77800338 Simplifying t + -3.472727273 = 0.77800338 Reorder the terms: -3.472727273 + t = 0.77800338 Solving -3.472727273 + t = 0.77800338 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.472727273' to each side of the equation. -3.472727273 + 3.472727273 + t = 0.77800338 + 3.472727273 Combine like terms: -3.472727273 + 3.472727273 = 0.000000000 0.000000000 + t = 0.77800338 + 3.472727273 t = 0.77800338 + 3.472727273 Combine like terms: 0.77800338 + 3.472727273 = 4.250730653 t = 4.250730653 Simplifying t = 4.250730653

Subproblem 2

t + -3.472727273 = -0.77800338 Simplifying t + -3.472727273 = -0.77800338 Reorder the terms: -3.472727273 + t = -0.77800338 Solving -3.472727273 + t = -0.77800338 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.472727273' to each side of the equation. -3.472727273 + 3.472727273 + t = -0.77800338 + 3.472727273 Combine like terms: -3.472727273 + 3.472727273 = 0.000000000 0.000000000 + t = -0.77800338 + 3.472727273 t = -0.77800338 + 3.472727273 Combine like terms: -0.77800338 + 3.472727273 = 2.694723893 t = 2.694723893 Simplifying t = 2.694723893

Solution

The solution to the problem is based on the solutions from the subproblems. t = {4.250730653, 2.694723893}

See similar equations:

| 6x-10y=6 | | 8x+30=4x+13 | | 72=2x+5(x+6) | | (5c-9)(5c+1)= | | 2x-5-10x=59 | | 1/3d+4+5/3d=-8 | | -5(t-2)+8t=9t-3 | | 8-2(t+1)=3t+1 | | 109+x=4+8x | | 10u2-4u/2u | | 2(3x+4x)-2(x-2)=28 | | (9w+8)(1w-10)=w | | x+2x-4+4x+10=20x | | 4(3-3x)-8x=15 | | (x+1)(x-8)=x | | 4x^2-85x+441=0 | | 3x-6+5x+9=11 | | c/3=61/7 | | 3x+99=7x-13 | | 4x+20=21(x+2) | | 2x+5+4x+6=25 | | I-38=4 | | 2(2x+10)=40x | | 92-5x=10+17 | | 2(x-20)=30 | | 0=(-5x+2)(x+5) | | 3+f=7 | | .3(2x+3)=.25 | | 3x-8=30x+1 | | E+9.8=14.1 | | -2+5x=15x | | z^4-50z^2+49=0 |

Equations solver categories