x^2-4x+49=0

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


Simplifying
x2 + -4x + 49 = 0

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

Solving
49 + -4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-49' to each side of the equation.
49 + -4x + -49 + x2 = 0 + -49

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

Combine like terms: 49 + -49 = 0
0 + -4x + x2 = 0 + -49
-4x + x2 = 0 + -49

Combine like terms: 0 + -49 = -49
-4x + x2 = -49

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -49 + 4

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

Combine like terms: -49 + 4 = -45
4 + -4x + x2 = -45

Factor a perfect square on the left side:
(x + -2)(x + -2) = -45

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x^2-5x=3 | | x^2-4x+41=0 | | x^2-4x-41=0 | | x^2+4x-41=0 | | 5(2m+5)=65 | | 2*9=6*x | | 13=5+3b-23 | | 24*32= | | 5X^2-31x+30=0 | | 3*15=x*9 | | 1000xq=7.4672 | | x*12=9*16 | | -5-x=2x+3 | | 12*9= | | x*14=4*7 | | 6x^2+26x+20=0 | | 12+x=2x-7 | | -5+n=-9 | | 30x^3-24x^2+6=0 | | -5x(3-2x)=4 | | 2(7e-8)=40 | | 3x-2(-2)=13 | | 3(2+-0.5y)-2y=13 | | -4*7= | | 7(3+b)=-70 | | 8*3*4= | | -2(2a+3)=-6 | | (17-12)(19-9)(7-4)= | | -2(2a-3)=34 | | (17-12)*(19-9)*(7-4)= | | 7z-15=-15+4z | | 1+0.5y+y=7 |

Equations solver categories