15*t^2-40*t+20=0

Simple and best practice solution for 15*t^2-40*t+20=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 15*t^2-40*t+20=0 equation:


Simplifying
15t2 + -40t + 20 = 0

Reorder the terms:
20 + -40t + 15t2 = 0

Solving
20 + -40t + 15t2 = 0

Solving for variable 't'.

Factor out the Greatest Common Factor (GCF), '5'.
5(4 + -8t + 3t2) = 0

Factor a trinomial.
5((2 + -3t)(2 + -1t)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(2 + -3t)' equal to zero and attempt to solve: Simplifying 2 + -3t = 0 Solving 2 + -3t = 0 Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3t = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3t = 0 + -2 -3t = 0 + -2 Combine like terms: 0 + -2 = -2 -3t = -2 Divide each side by '-3'. t = 0.6666666667 Simplifying t = 0.6666666667

Subproblem 2

Set the factor '(2 + -1t)' equal to zero and attempt to solve: Simplifying 2 + -1t = 0 Solving 2 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1t = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1t = 0 + -2 -1t = 0 + -2 Combine like terms: 0 + -2 = -2 -1t = -2 Divide each side by '-1'. t = 2 Simplifying t = 2

Solution

t = {0.6666666667, 2}

See similar equations:

| x-3x+5x-7x+9x=2+4+6-8-9 | | cos^2(x)cos^2(2x)=0.5 | | x=100/0.2 | | cos4x=5/2 | | 4(3x-5)(x+1)=0 | | 25=5*2+3*c | | 2x+b=4 | | 4d+8e+9d+11e= | | sin^2+2sinx+1=0 | | 20c-12c= | | 10a+3+4b-2a-b= | | 10+7q-3r+2q-r= | | 4x+7=6-2x | | (3/4)-y=6 | | 3/4-y=6 | | Z^2-8Z+t^2=0 | | 6s-23=121 | | x+2x+3x-4x=28 | | 7-4x=6x+5 | | 4cos^2x-9cosx-7=0 | | 20+5x-6=2 | | 81=2x+69+2x | | 6x+1=3+2x | | x+(x-2)+(x-5)+(x-7)=34 | | 5(9c-1)-16=43c+15 | | 7-8x=9-6x | | 3xy+6y+2x+4= | | 5x=(3x+3) | | 7x-2=5-2x | | (D^3-2D^2-3D)y=0 | | X^2lnx=0 | | 3logy=3 |

Equations solver categories