9x^2-4x+49=0

Simple and best practice solution for 9x^2-4x+49=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 9x^2-4x+49=0 equation:


Simplifying
9x2 + -4x + 49 = 0

Reorder the terms:
49 + -4x + 9x2 = 0

Solving
49 + -4x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
5.444444444 + -0.4444444444x + x2 = 0

Move the constant term to the right:

Add '-5.444444444' to each side of the equation.
5.444444444 + -0.4444444444x + -5.444444444 + x2 = 0 + -5.444444444

Reorder the terms:
5.444444444 + -5.444444444 + -0.4444444444x + x2 = 0 + -5.444444444

Combine like terms: 5.444444444 + -5.444444444 = 0.000000000
0.000000000 + -0.4444444444x + x2 = 0 + -5.444444444
-0.4444444444x + x2 = 0 + -5.444444444

Combine like terms: 0 + -5.444444444 = -5.444444444
-0.4444444444x + x2 = -5.444444444

The x term is -0.4444444444x.  Take half its coefficient (-0.2222222222).
Square it (0.04938271604) and add it to both sides.

Add '0.04938271604' to each side of the equation.
-0.4444444444x + 0.04938271604 + x2 = -5.444444444 + 0.04938271604

Reorder the terms:
0.04938271604 + -0.4444444444x + x2 = -5.444444444 + 0.04938271604

Combine like terms: -5.444444444 + 0.04938271604 = -5.39506172796
0.04938271604 + -0.4444444444x + x2 = -5.39506172796

Factor a perfect square on the left side:
(x + -0.2222222222)(x + -0.2222222222) = -5.39506172796

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -2x^2+12x-16=o | | 3y^2+18x=-4 | | 5x-3(x+4)=4 | | -9y+8=-4-2y | | 9x^2+y^2-72x-6y+72=0 | | x/5x-9 | | 29+39=59 | | -2y-3=13+5y | | graphy=x*2-4 | | (3xm)+2-1=16 | | 5x+3y=c | | -3(8r+6)+4(5r+2)= | | 5/9y=5/18 | | 15y+30=21y | | 3y+15=7y-21 | | -y+9=-7+3y | | 9j+7(2-4j)= | | 4x^2+4y^2+32-36=0 | | 2y+7=15-2y | | x-35=8 | | (x+20)=180 | | f(x)=5x/7-x | | 4(a-1)=7a+2 | | 598=5w+5 | | 7y-6y-5=5 | | 2.1/3=x/9 | | -2+6+x=-1+4 | | 7(v-2)=9v+46 | | 2000+-3x=4039 | | (5-3x)-(-9x+6)=(8x+11)-(3x-6) | | s(t)=t^2-5/3t | | (6x2)/3or= |

Equations solver categories