-56=15t+3t^2

Simple and best practice solution for -56=15t+3t^2 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 -56=15t+3t^2 equation: 


Simplifying
-56 = 15t + 3t2

Solving
-56 = 15t + 3t2

Solving for variable 't'.

Reorder the terms:
-56 + -15t + -3t2 = 15t + -15t + 3t2 + -3t2

Combine like terms: 15t + -15t = 0
-56 + -15t + -3t2 = 0 + 3t2 + -3t2
-56 + -15t + -3t2 = 3t2 + -3t2

Combine like terms: 3t2 + -3t2 = 0
-56 + -15t + -3t2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(56 + 15t + 3t2) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(56 + 15t + 3t2)' equal to zero and attempt to solve:

Simplifying
56 + 15t + 3t2 = 0

Solving
56 + 15t + 3t2 = 0

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

Divide each side by '3'.
18.66666667 + 5t + t2 = 0

Move the constant term to the right:

Add '-18.66666667' to each side of the equation.
18.66666667 + 5t + -18.66666667 + t2 = 0 + -18.66666667

Reorder the terms:
18.66666667 + -18.66666667 + 5t + t2 = 0 + -18.66666667

Combine like terms: 18.66666667 + -18.66666667 = 0.00000000
0.00000000 + 5t + t2 = 0 + -18.66666667
5t + t2 = 0 + -18.66666667

Combine like terms: 0 + -18.66666667 = -18.66666667
5t + t2 = -18.66666667

The t term is 5t.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5t + 6.25 + t2 = -18.66666667 + 6.25

Reorder the terms:
6.25 + 5t + t2 = -18.66666667 + 6.25

Combine like terms: -18.66666667 + 6.25 = -12.41666667
6.25 + 5t + t2 = -12.41666667

Factor a perfect square on the left side:
(t + 2.5)(t + 2.5) = -12.41666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

See similar equations:

| A=1/2bh= | | 2p+(-1)(1-p)=-1p+1(1-p) | | -4m+7-3+9+m-13= | | -2p+1(1-p)=1p+(-1)(1-p) | | p=-2x^2+16x+3 | | (-2)(3y)(-5x)/(4y)(-x)(-3) | | 4(5t+1)-10=t-(t+5) | | (5y-3x)+(2x+7y)= | | u/4.8=3 | | -8d-9-6+d+19= | | (5y-3x)+(2y+7y)= | | -6+3x-x-4-5x= | | 13-2x=-9 | | 2x=25.6 | | 2x=25.06 | | -3p+2(1-p)=3p+(-2)(1-p) | | 3p+(-3)(1-p)=-2p+2(1-p) | | 4(11-x)+8=-8(x-4)-3 | | -3p+2(1-p)=3p-(-2)(1-p) | | (3x+3y)=56 | | 10w-17=2w-12 | | 0=150(t)-16t^2 | | 3p+(-3)(1-p)=-2p-2(1-p) | | 56=15t+3t^2 | | x+2x+3x+4x= | | 6m-4=m+17 | | 27s^4-64s= | | 7x-[4-2(2x-9)]= | | 23x-27=50 | | log(1-4x)/log(e)=-6x | | (-4/9)(-2/3)= | | 2/2=2x/2x |

Equations solver categories