t^2-18t+60.75=

Simple and best practice solution for t^2-18t+60.75= 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^2-18t+60.75= equation:


Simplifying
t2 + -18t + 60.75 = 0

Reorder the terms:
60.75 + -18t + t2 = 0

Solving
60.75 + -18t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '-60.75' to each side of the equation.
60.75 + -18t + -60.75 + t2 = 0 + -60.75

Reorder the terms:
60.75 + -60.75 + -18t + t2 = 0 + -60.75

Combine like terms: 60.75 + -60.75 = 0.00
0.00 + -18t + t2 = 0 + -60.75
-18t + t2 = 0 + -60.75

Combine like terms: 0 + -60.75 = -60.75
-18t + t2 = -60.75

The t term is -18t.  Take half its coefficient (-9).
Square it (81) and add it to both sides.

Add '81' to each side of the equation.
-18t + 81 + t2 = -60.75 + 81

Reorder the terms:
81 + -18t + t2 = -60.75 + 81

Combine like terms: -60.75 + 81 = 20.25
81 + -18t + t2 = 20.25

Factor a perfect square on the left side:
(t + -9)(t + -9) = 20.25

Calculate the square root of the right side: 4.5

Break this problem into two subproblems by setting 
(t + -9) equal to 4.5 and -4.5.

Subproblem 1

t + -9 = 4.5 Simplifying t + -9 = 4.5 Reorder the terms: -9 + t = 4.5 Solving -9 + t = 4.5 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + t = 4.5 + 9 Combine like terms: -9 + 9 = 0 0 + t = 4.5 + 9 t = 4.5 + 9 Combine like terms: 4.5 + 9 = 13.5 t = 13.5 Simplifying t = 13.5

Subproblem 2

t + -9 = -4.5 Simplifying t + -9 = -4.5 Reorder the terms: -9 + t = -4.5 Solving -9 + t = -4.5 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + t = -4.5 + 9 Combine like terms: -9 + 9 = 0 0 + t = -4.5 + 9 t = -4.5 + 9 Combine like terms: -4.5 + 9 = 4.5 t = 4.5 Simplifying t = 4.5

Solution

The solution to the problem is based on the solutions from the subproblems. t = {13.5, 4.5}

See similar equations:

| 5(7x+3)=15 | | -(7-4b)=16b+17 | | V^3-v^2-16v=-32 | | 4x+2+5x-5=180 | | 2x-9+6x=12x+1+x | | x^7-4=-2 | | 3x+22+140= | | 3a+-5a=2a+4 | | 8x+65=11(x+4) | | 21n^2+107n+105=-7-5n | | 7(x+1)2(6+5x)=7 | | t^2-22t+90.75= | | 100+2x=360 | | 2a-5a=2a+4 | | -7m+3m=17-53 | | 7(x+1)-2(6+5x)=7 | | 0.4x-0.2(60+x)=0.2(40) | | 4/7-(-3/8)= | | -3(0+7)+5*0=-21 | | 4/7-(-3/8) | | 7x+7-12+10x=7 | | 8+4(b-4)=-8+7b | | (-2x^4)+7=2x-3 | | 8x+65=11+x+4 | | a/4-a-2/3 | | 195/x=13 | | (2x+3y+1)dx+(2x+3y-5)dy=0 | | -m-8=12.4 | | 5(5x+12)-20x=-3(4x+4)+12 | | 9y+6x=3x-18 | | 3ln(9x)+3=12 | | 8x+62=10(x+5) |

Equations solver categories