-(6-x)(3-x)-x(x+2)=0

Simple and best practice solution for -(6-x)(3-x)-x(x+2)=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 -(6-x)(3-x)-x(x+2)=0 equation:


Simplifying
-1(6 + -1x)(3 + -1x) + -1x(x + 2) = 0

Multiply (6 + -1x) * (3 + -1x)
-1(6(3 + -1x) + -1x * (3 + -1x)) + -1x(x + 2) = 0
-1((3 * 6 + -1x * 6) + -1x * (3 + -1x)) + -1x(x + 2) = 0
-1((18 + -6x) + -1x * (3 + -1x)) + -1x(x + 2) = 0
-1(18 + -6x + (3 * -1x + -1x * -1x)) + -1x(x + 2) = 0
-1(18 + -6x + (-3x + 1x2)) + -1x(x + 2) = 0

Combine like terms: -6x + -3x = -9x
-1(18 + -9x + 1x2) + -1x(x + 2) = 0
(18 * -1 + -9x * -1 + 1x2 * -1) + -1x(x + 2) = 0
(-18 + 9x + -1x2) + -1x(x + 2) = 0

Reorder the terms:
-18 + 9x + -1x2 + -1x(2 + x) = 0
-18 + 9x + -1x2 + (2 * -1x + x * -1x) = 0
-18 + 9x + -1x2 + (-2x + -1x2) = 0

Reorder the terms:
-18 + 9x + -2x + -1x2 + -1x2 = 0

Combine like terms: 9x + -2x = 7x
-18 + 7x + -1x2 + -1x2 = 0

Combine like terms: -1x2 + -1x2 = -2x2
-18 + 7x + -2x2 = 0

Solving
-18 + 7x + -2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-2 the coefficient of the squared term: 

Divide each side by '-2'.
9 + -3.5x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -3.5x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + -3.5x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -3.5x + x2 = 0 + -9
-3.5x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-3.5x + x2 = -9

The x term is -3.5x.  Take half its coefficient (-1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
-3.5x + 3.0625 + x2 = -9 + 3.0625

Reorder the terms:
3.0625 + -3.5x + x2 = -9 + 3.0625

Combine like terms: -9 + 3.0625 = -5.9375
3.0625 + -3.5x + x2 = -5.9375

Factor a perfect square on the left side:
(x + -1.75)(x + -1.75) = -5.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| u/2-8=-8 | | 4(t-2)-7(4t-1)=14-8(5t+4) | | -10+(-8m)=-110+6m | | -5x^2-x+4=0 | | y=4x^3+6x^2 | | 6(1-x)-2(x-2)=10 | | 5+2(4x-1)=0 | | 3(x-5)+3=10 | | 6-(z+3)=13 | | 0.39x-15.00=14.95+0.13x | | 4030=3250(1+0.03t) | | 9-8x=7x+10 | | 12x-7x-2=20-6x | | 1-9-(-2)-(-6)= | | 9x+4-11x=8+6x-5 | | 10x-3(x-3)=17 | | 11x=3x^2+12 | | 11/-7 | | 14.95+13m=50 | | 9=w+1 | | 9=w | | 18+15-3-14-(-9)= | | 7k^2+9k+0=0 | | x^2=81*9x^1/2 | | 2w+2(w+3)=18 | | 3(5+3m)(-3)=-9 | | 2x+0.3=3.3 | | b+2a+3c= | | x^2+x-23= | | 19(7c-1)-16=131c+19 | | 6w-60=-8+w | | -8y-15=3y+18 |

Equations solver categories