3t^2-5t+18=0

Simple and best practice solution for 3t^2-5t+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 3t^2-5t+18=0 equation:


Simplifying
3t2 + -5t + 18 = 0

Reorder the terms:
18 + -5t + 3t2 = 0

Solving
18 + -5t + 3t2 = 0

Solving for variable 't'.

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

Divide each side by '3'.
6 + -1.666666667t + t2 = 0

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -1.666666667t + -6 + t2 = 0 + -6

Reorder the terms:
6 + -6 + -1.666666667t + t2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1.666666667t + t2 = 0 + -6
-1.666666667t + t2 = 0 + -6

Combine like terms: 0 + -6 = -6
-1.666666667t + t2 = -6

The t term is -1.666666667t.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667t + 0.6944444447 + t2 = -6 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667t + t2 = -6 + 0.6944444447

Combine like terms: -6 + 0.6944444447 = -5.3055555553
0.6944444447 + -1.666666667t + t2 = -5.3055555553

Factor a perfect square on the left side:
(t + -0.8333333335)(t + -0.8333333335) = -5.3055555553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4(x-2)-12=3(x-6) | | -a(2z+6)-12=4 | | 7-3y+14=11 | | 65=(x)(x-3) | | -9=7y+8(y-3) | | -2x+12=-2(2x+1) | | 42-2x=32 | | 10x-2+3x=-14+6x | | -5+5b=-5(-6b+6) | | .4(x-2)=10.4 | | 0.2x-0.6(5-x)=-0.2 | | 3(x+9)+x=2(x+2)-8 | | 15.5-x=20.5 | | Q+8=32 | | ((7x+12))=((2x+8)) | | 65=x(x-3) | | 18+x+4s-1=42 | | 2e^9x=1200 | | -[8z-(17z+1)]=1+(8z+8) | | 9+26=35 | | 3v+21-6v=-9 | | 3(20-x)=-15 | | Y=450+30x | | -32=2-h | | 10(m-1)=5(3m-4) | | 4+t=-7 | | 2x^3-16x^2+30x= | | 0.14y+0.06(y+2000)=1920 | | 6cm*8cm*w=208 | | 13=2x^2 | | 5k-2=3k+6 | | -0.10(42)+0.85x=0.05(x-20) |

Equations solver categories