11x^2+11=7x

Simple and best practice solution for 11x^2+11=7x 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 11x^2+11=7x equation:


Simplifying
11x2 + 11 = 7x

Reorder the terms:
11 + 11x2 = 7x

Solving
11 + 11x2 = 7x

Solving for variable 'x'.

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

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

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

Divide each side by '11'.
1 + -0.6363636364x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -0.6363636364x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -0.6363636364x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -0.6363636364x + x2 = 0 + -1
-0.6363636364x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-0.6363636364x + x2 = -1

The x term is -0.6363636364x.  Take half its coefficient (-0.3181818182).
Square it (0.1012396694) and add it to both sides.

Add '0.1012396694' to each side of the equation.
-0.6363636364x + 0.1012396694 + x2 = -1 + 0.1012396694

Reorder the terms:
0.1012396694 + -0.6363636364x + x2 = -1 + 0.1012396694

Combine like terms: -1 + 0.1012396694 = -0.8987603306
0.1012396694 + -0.6363636364x + x2 = -0.8987603306

Factor a perfect square on the left side:
(x + -0.3181818182)(x + -0.3181818182) = -0.8987603306

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -7x+9=113/11 | | Ix-1I=15 | | y=6tan(3x+1) | | 32r^2+80r+50=0 | | (6x+7)=65 | | 2(x-10)-8=-2(14-3x) | | x(3x-2)=9y-3 | | 8*X^5+12*X^4-10*X^3+17*X^2-18*X+5=0 | | 4v^2-9v-34=0 | | 3+5x-3x=14 | | Y=5x^2-3x | | Y=5x^2-e | | (1.9)(x)=(1.7)(x+2.8) | | 12x^2-48/24x^5 | | 11b^2-7b+1=0 | | y^4-3=-4 | | -6p+8p=-16+4p | | 6x+9x+27= | | 3/4-3x=-9/4 | | x^3+3=-4x | | x^12-15-62=0 | | 1/5e-1=2/3 | | 6k^2-k-10=0 | | 5(10)2x=450 | | 5x+30x-15x= | | -4x-7=15 | | a^2-14=0 | | 6x^2-55=3x^2+20 | | 4x^2+x=2x^2-4x+3 | | 54l+43.42=3606.26 | | (4x+20)=220 | | x^2-4x=74 |

Equations solver categories