15=-16t^2+20

Simple and best practice solution for 15=-16t^2+20 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=-16t^2+20 equation: 


Simplifying
15 = -16t2 + 20

Reorder the terms:
15 = 20 + -16t2

Solving
15 = 20 + -16t2

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '16t2' to each side of the equation.
15 + 16t2 = 20 + -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
15 + 16t2 = 20 + 0
15 + 16t2 = 20

Add '-15' to each side of the equation.
15 + -15 + 16t2 = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 16t2 = 20 + -15
16t2 = 20 + -15

Combine like terms: 20 + -15 = 5
16t2 = 5

Divide each side by '16'.
t2 = 0.3125

Simplifying
t2 = 0.3125

Take the square root of each side:
t = {-0.559016994, 0.559016994}

See similar equations:

| 9*x=3*2x+1 | | 5-7x-4x=-105 | | 15=-16t^2+w | | k-5.777=25.2 | | 10-(x+6)=6x-3 | | 2(2x^3-x^2-20)=0 | | 9-4[-5+1]= | | -11+-2-+13= | | x+3i(x-3i)=0 | | c=2000(3.14) | | 3a+31=70 | | 135-x=75 | | 13-(x+5)=4x-7 | | 2(x-1)+x=41 | | 10+15x=100 | | 6w^4+15w^2= | | 119.50=2.50x+12 | | -30=5-5t | | 15x+10=100 | | 950*1/4 | | 3x-3-2x=0 | | 167=4x+10 | | -8m=-80 | | 4(x+4)-3=19 | | u=4(2n+35)+9(n+1) | | 1/4*950 | | 20=x/3=25 | | 3(x+2)-y=-7 | | X+15=19+20 | | 19x/2/6-1/4 | | 4-5(x-2)=-1+3(x-5+2) | | ((3/2)x)^2=2x |

Equations solver categories