7x(x-1)+14=11

Simple and best practice solution for 7x(x-1)+14=11 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 7x(x-1)+14=11 equation: 


Simplifying
7x(x + -1) + 14 = 11

Reorder the terms:
7x(-1 + x) + 14 = 11
(-1 * 7x + x * 7x) + 14 = 11
(-7x + 7x2) + 14 = 11

Reorder the terms:
14 + -7x + 7x2 = 11

Solving
14 + -7x + 7x2 = 11

Solving for variable 'x'.

Reorder the terms:
14 + -11 + -7x + 7x2 = 11 + -11

Combine like terms: 14 + -11 = 3
3 + -7x + 7x2 = 11 + -11

Combine like terms: 11 + -11 = 0
3 + -7x + 7x2 = 0

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

Divide each side by '7'.
0.4285714286 + -1x + x2 = 0

Move the constant term to the right:

Add '-0.4285714286' to each side of the equation.
0.4285714286 + -1x + -0.4285714286 + x2 = 0 + -0.4285714286

Reorder the terms:
0.4285714286 + -0.4285714286 + -1x + x2 = 0 + -0.4285714286

Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + -0.4285714286
-1x + x2 = 0 + -0.4285714286

Combine like terms: 0 + -0.4285714286 = -0.4285714286
-1x + x2 = -0.4285714286

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -0.4285714286 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.4285714286 + 0.25

Combine like terms: -0.4285714286 + 0.25 = -0.1785714286
0.25 + -1x + x2 = -0.1785714286

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -0.1785714286

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3p+qd=26 | | -7y+39=3(y+3) | | 5x^2=4x-20x^2 | | (3x+2y^3)(7x^7+9y^2)= | | 4(y-1)=6y+4 | | 3x^2+7xy+ky^2-4x-13y=0 | | 7x^5(6x+8)= | | (-2x+7)(8x+5)= | | (x+7)(x+3)-(-9x-3)(x+2)= | | 7p^2-20p+12= | | 2X^2-49X=360 | | 2x^3y^4/3xy)3 | | 2V+28=-6(v+6) | | 2X^2-49X=0 | | (8x+4)(-6x+5)= | | x-x^(1/3)=0 | | x-x^(1/3) | | -4.9t^2+14t+300=0 | | -7(w+1)=9w-23 | | 2v-44=-6(v-6) | | (3x^4+8y^3)(4x^2+2y^5)= | | 5(x+7)2=0 | | 7(y-4)=5y-30 | | x=-6(-0)+7 | | -4x+3=-5y-7 | | 12x-0.7=5x+3.2 | | 6-18=z/-7 | | 6k+1=43 | | 200=142-y | | 284-y=14 | | 1/2(x=25)=(34,.5,25) | | 6y(7)= |

Equations solver categories