25x^2-72x+80=0

Simple and best practice solution for 25x^2-72x+80=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 25x^2-72x+80=0 equation:


Simplifying
25x2 + -72x + 80 = 0

Reorder the terms:
80 + -72x + 25x2 = 0

Solving
80 + -72x + 25x2 = 0

Solving for variable 'x'.

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

Divide each side by '25'.
3.2 + -2.88x + x2 = 0

Move the constant term to the right:

Add '-3.2' to each side of the equation.
3.2 + -2.88x + -3.2 + x2 = 0 + -3.2

Reorder the terms:
3.2 + -3.2 + -2.88x + x2 = 0 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + -2.88x + x2 = 0 + -3.2
-2.88x + x2 = 0 + -3.2

Combine like terms: 0 + -3.2 = -3.2
-2.88x + x2 = -3.2

The x term is -2.88x.  Take half its coefficient (-1.44).
Square it (2.0736) and add it to both sides.

Add '2.0736' to each side of the equation.
-2.88x + 2.0736 + x2 = -3.2 + 2.0736

Reorder the terms:
2.0736 + -2.88x + x2 = -3.2 + 2.0736

Combine like terms: -3.2 + 2.0736 = -1.1264
2.0736 + -2.88x + x2 = -1.1264

Factor a perfect square on the left side:
(x + -1.44)(x + -1.44) = -1.1264

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^3-3x-123=0 | | (x-2)*180=(156*x) | | 2x-22+22=84+22 | | x=-0.62-(-0.741) | | x^2+2xy+3x+2x+3xy=0 | | 53y+54=6b+(-2) | | 1+5x+4x^3=0 | | 2x+4=5x^2 | | (-72)(-q)= | | 70+57=635 | | 9*x=240 | | 7c^2-2c+3=7(c^2+c) | | x*x+-x=6 | | 2x+3y+2z=14 | | 17=4u-7 | | 14x^2-36x/2x^2 | | 2.4x-10.98=3.9 | | 4.6x-9.44=8.55 | | x(x^2-x+4)=30 | | Log(c)=2.183 | | Logc=2.183 | | .5x+1=100 | | x^4-32x^2-10x+256=0 | | 35t^2+48=0 | | 24n^2-49n+2=0 | | Xz+7x+3z+21= | | x=x*9 | | P^2-12=0 | | 13v^2+19v=0 | | d^2+12+11=0 | | 3w^2+38w-13=0 | | 32w^2+4w-1=0 |

Equations solver categories