4x^2-22x+45=0

Simple and best practice solution for 4x^2-22x+45=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 4x^2-22x+45=0 equation:


Simplifying
4x2 + -22x + 45 = 0

Reorder the terms:
45 + -22x + 4x2 = 0

Solving
45 + -22x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
11.25 + -5.5x + x2 = 0

Move the constant term to the right:

Add '-11.25' to each side of the equation.
11.25 + -5.5x + -11.25 + x2 = 0 + -11.25

Reorder the terms:
11.25 + -11.25 + -5.5x + x2 = 0 + -11.25

Combine like terms: 11.25 + -11.25 = 0.00
0.00 + -5.5x + x2 = 0 + -11.25
-5.5x + x2 = 0 + -11.25

Combine like terms: 0 + -11.25 = -11.25
-5.5x + x2 = -11.25

The x term is -5.5x.  Take half its coefficient (-2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
-5.5x + 7.5625 + x2 = -11.25 + 7.5625

Reorder the terms:
7.5625 + -5.5x + x2 = -11.25 + 7.5625

Combine like terms: -11.25 + 7.5625 = -3.6875
7.5625 + -5.5x + x2 = -3.6875

Factor a perfect square on the left side:
(x + -2.75)(x + -2.75) = -3.6875

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 20c+5=10+25 | | -1-2d=-10-d | | -z=-2z-8 | | -(3m-1)-7m=81 | | Z/3=z-3 | | 6+2+4f=3f+8 | | 4(s)+y=2 | | 3x+9+4x+x=4x+2 | | -4m-6= | | 8r=6+7r | | 4(x-5/12)=5/3-2x | | 2x^2+26x=-60 | | 3/4x-15=0 | | 10-3q=-2q+1 | | 4(-2)+y=2 | | (5-x)(2x+3)=(6-5x)(5-x) | | -2m=9-m | | 2(x+2)+3x=2(x+2)+3 | | 2x+9+3x+x=4x+5 | | 500-5x=0 | | (x-4)(2x+5)=2x^2-4(4x+24)-1 | | 1/2=x/10 | | 13/h=2/-6 | | -4/-9=f/-12 | | 12(x-1/2)-4x=26,8 | | -5u=9-8u | | (x^2-7)/(x^2-x-6)1 | | 12(x-1/2)ñ- | | 2n-42=-18 | | 5-4+7x+1=4x+9 | | 2g+4g+3g-4g+10h=5g+10h | | 6.7-4.7m=3(2m-1) |

Equations solver categories