2n^2-5n+16=0

Simple and best practice solution for 2n^2-5n+16=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 2n^2-5n+16=0 equation:


Simplifying
2n2 + -5n + 16 = 0

Reorder the terms:
16 + -5n + 2n2 = 0

Solving
16 + -5n + 2n2 = 0

Solving for variable 'n'.

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

Divide each side by '2'.
8 + -2.5n + n2 = 0

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -2.5n + -8 + n2 = 0 + -8

Reorder the terms:
8 + -8 + -2.5n + n2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2.5n + n2 = 0 + -8
-2.5n + n2 = 0 + -8

Combine like terms: 0 + -8 = -8
-2.5n + n2 = -8

The n term is -2.5n.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5n + 1.5625 + n2 = -8 + 1.5625

Reorder the terms:
1.5625 + -2.5n + n2 = -8 + 1.5625

Combine like terms: -8 + 1.5625 = -6.4375
1.5625 + -2.5n + n2 = -6.4375

Factor a perfect square on the left side:
(n + -1.25)(n + -1.25) = -6.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| y^2-12y+33=0 | | x^2+20x+37= | | 8x+12=-12 | | -2x+13=-11 | | 9x=18+6x | | 0=x+12 | | 3x-7y=33 | | -5x=x^2+14 | | 6(x-5)=3(x-5) | | 9.9+x=0.8 | | 6(x-6)=66*11 | | -5(y-2y)+3=-3(6y-y)+4+19y | | 7y+8=15y+8 | | 3(2x+1)-2(1-x)=5 | | -10+x-4=15-18+7 | | sin(x)-x^2=0 | | (3x+6)=(6x-12) | | -3+15=15x-5-14x | | 7y=6(y+5) | | 5(4y-1)=15y | | y+2=-5+8 | | -2=(-n-8) | | 2x+y=25 | | y=-x^2+48 | | .2x=.3333 | | 4000=2x^2+2x | | (3x-7)-(5x+3)=180 | | (3x-7)+(5x+3)=180 | | -5x-8=-3 | | 20xy(x+y)= | | y=x^2+8x-8 | | x-7y=20 |

Equations solver categories