t^2-8t+18=0

Simple and best practice solution for t^2-8t+18=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^2-8t+18=0 equation:


Simplifying
t2 + -8t + 18 = 0

Reorder the terms:
18 + -8t + t2 = 0

Solving
18 + -8t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -8t + -18 + t2 = 0 + -18

Reorder the terms:
18 + -18 + -8t + t2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -8t + t2 = 0 + -18
-8t + t2 = 0 + -18

Combine like terms: 0 + -18 = -18
-8t + t2 = -18

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 = -18 + 16

Reorder the terms:
16 + -8t + t2 = -18 + 16

Combine like terms: -18 + 16 = -2
16 + -8t + t2 = -2

Factor a perfect square on the left side:
(t + -4)(t + -4) = -2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -4x+5x+3=0 | | 28p^2+13p-6=0 | | 3z-2=19 | | 9x-3-8x=-5-7 | | 1/6a=-10 | | 3x^2=4x-12 | | 81*(2/3) | | 2t+7=3 | | 5x+38-6x=1-8x+2 | | 2+3q=-1 | | 81*2/3 | | x-56=230 | | 5A+3B+3C=993 | | 2x^2+5x-3=72 | | 3x+7-2x=4x+a | | 2p^2-50=-50 | | b+7=-b | | 10x-3=3x-15 | | X-115/12 | | y=tan(3x+2) | | 56=54+2 | | -6+4x+7x=126 | | 8a+15b=12 | | 5x+35+45=180 | | 8+4x+4x=32 | | -5(5x-9)+6=-25x+51 | | -243=-9(10+c) | | 4(x-1)+9=6x-2(-4+x) | | K=mv^2 | | 4x^2-45x^3=600 | | Log[9](x+6)-log[9]x= | | logb*logb^5=200 |

Equations solver categories