-x(x-5)+7-35=0

Simple and best practice solution for -x(x-5)+7-35=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(x-5)+7-35=0 equation:


Simplifying
-1x(x + -5) + 7 + -35 = 0

Reorder the terms:
-1x(-5 + x) + 7 + -35 = 0
(-5 * -1x + x * -1x) + 7 + -35 = 0
(5x + -1x2) + 7 + -35 = 0

Reorder the terms:
7 + -35 + 5x + -1x2 = 0

Combine like terms: 7 + -35 = -28
-28 + 5x + -1x2 = 0

Solving
-28 + 5x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
28 + -5x + x2 = 0

Move the constant term to the right:

Add '-28' to each side of the equation.
28 + -5x + -28 + x2 = 0 + -28

Reorder the terms:
28 + -28 + -5x + x2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -5x + x2 = 0 + -28
-5x + x2 = 0 + -28

Combine like terms: 0 + -28 = -28
-5x + x2 = -28

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -28 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -28 + 6.25

Combine like terms: -28 + 6.25 = -21.75
6.25 + -5x + x2 = -21.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -21.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 19.95+2.15+.21t=24.95+16t | | 10(x-7)-x(x-7)=0 | | 0.3x+0.5=0.2x+1.3 | | (4-9n)(2-3n)=0 | | 2x^4+8x=0 | | -4x(x+18)-7(x+18)=0 | | 0.5x-0.8=0.2 | | 5x^2-6x+4= | | -2x(x+14)-5(x+14)=0 | | 6x-8=48x-32 | | 5w-5(-5x+5w)-2x= | | 2x-1=3x-13 | | 2x+36=4c | | 0.1111111111(x-0.0123456790)=0 | | 7x-6+5x=12(x-3) | | 4.3n=24.08 | | (1/2)^x=128 | | (1/2)^x=33 | | 7/6(x-3)=42 | | 4x+9+2x-9+90=180 | | (x-3+5i)(x-3-5i)(x-4)(x-4)=0 | | (X+13)(x+14)=0 | | 3n+23=4n+24 | | 8z-6+z+6+90=180 | | 8z+6+8z-6+90=180 | | (7b-1)-3(2b+2)=-4 | | y^2-5x=10 | | X(X+28)=0 | | (1/3)(3.14)(16)(6) | | -26/33=13/1x | | y+4+6y-5+90=180 | | 17-3x(4-2x)= |

Equations solver categories