X^2=3X-4

Simple and best practice solution for X^2=3X-4 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=3X-4 equation:


Simplifying
X2 = 3X + -4

Reorder the terms:
X2 = -4 + 3X

Solving
X2 = -4 + 3X

Solving for variable 'X'.

Reorder the terms:
4 + -3X + X2 = -4 + 3X + 4 + -3X

Reorder the terms:
4 + -3X + X2 = -4 + 4 + 3X + -3X

Combine like terms: -4 + 4 = 0
4 + -3X + X2 = 0 + 3X + -3X
4 + -3X + X2 = 3X + -3X

Combine like terms: 3X + -3X = 0
4 + -3X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -3X + -4 + X2 = 0 + -4

Reorder the terms:
4 + -4 + -3X + X2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3X + X2 = 0 + -4
-3X + X2 = 0 + -4

Combine like terms: 0 + -4 = -4
-3X + X2 = -4

The X term is -3X.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3X + 2.25 + X2 = -4 + 2.25

Reorder the terms:
2.25 + -3X + X2 = -4 + 2.25

Combine like terms: -4 + 2.25 = -1.75
2.25 + -3X + X2 = -1.75

Factor a perfect square on the left side:
(X + -1.5)(X + -1.5) = -1.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x^5/6x^-3 | | -4(k-1)=10-6k | | 4x^5/6x-3 | | 0=-10x^2+3500x-66000 | | 2d^2+4d-13=0 | | 3=11+4n | | 4x(-2)=12 | | log(6)(x)-log(6)(x+1)=2 | | 14x+3=0 | | y-0.2=0.6(y+3) | | (7x^2+5x/x^2+1)-(5x/x^2-6)=0 | | 1.4=0.3x+1/2*4x^2 | | 2=7+5a | | 7x+14=8x-10 | | -(w+0.2)=0.6(y+3) | | 2.25=a/740 | | 12.62*10.2*2= | | ((7x^2+5x)/(x^2+1))-((5x)/(x^2-6)) | | 2Y^3-2Y=0 | | 12x+30=-6 | | 2x/9=7x/14 | | 3x+2=2/3 | | 2.07=a/740 | | 4.5(b+1)-2=4b+12 | | 23+8x=7(x-1)-5x | | 7h-4=-25 | | 4x-1=4x-7 | | -4-6+(3)-5+8= | | 3/3x-10=11 | | 51(x+3)9x-23=20(4x+8) | | y=0.8x+25 | | 25x-7-16x=3(3x-3)+2 |

Equations solver categories