28-(x-5)(x-5)=

Simple and best practice solution for 28-(x-5)(x-5)= 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 28-(x-5)(x-5)= equation:


Simplifying
28 + -1(x + -5)(x + -5) = 0

Reorder the terms:
28 + -1(-5 + x)(x + -5) = 0

Reorder the terms:
28 + -1(-5 + x)(-5 + x) = 0

Multiply (-5 + x) * (-5 + x)
28 + -1(-5(-5 + x) + x(-5 + x)) = 0
28 + -1((-5 * -5 + x * -5) + x(-5 + x)) = 0
28 + -1((25 + -5x) + x(-5 + x)) = 0
28 + -1(25 + -5x + (-5 * x + x * x)) = 0
28 + -1(25 + -5x + (-5x + x2)) = 0

Combine like terms: -5x + -5x = -10x
28 + -1(25 + -10x + x2) = 0
28 + (25 * -1 + -10x * -1 + x2 * -1) = 0
28 + (-25 + 10x + -1x2) = 0

Combine like terms: 28 + -25 = 3
3 + 10x + -1x2 = 0

Solving
3 + 10x + -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'.
-3 + -10x + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -10x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -10x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -10x + x2 = 0 + 3
-10x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-10x + x2 = 3

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 3 + 25

Reorder the terms:
25 + -10x + x2 = 3 + 25

Combine like terms: 3 + 25 = 28
25 + -10x + x2 = 28

Factor a perfect square on the left side:
(x + -5)(x + -5) = 28

Calculate the square root of the right side: 5.291502622

Break this problem into two subproblems by setting 
(x + -5) equal to 5.291502622 and -5.291502622.

Subproblem 1

x + -5 = 5.291502622 Simplifying x + -5 = 5.291502622 Reorder the terms: -5 + x = 5.291502622 Solving -5 + x = 5.291502622 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 5.291502622 + 5 Combine like terms: -5 + 5 = 0 0 + x = 5.291502622 + 5 x = 5.291502622 + 5 Combine like terms: 5.291502622 + 5 = 10.291502622 x = 10.291502622 Simplifying x = 10.291502622

Subproblem 2

x + -5 = -5.291502622 Simplifying x + -5 = -5.291502622 Reorder the terms: -5 + x = -5.291502622 Solving -5 + x = -5.291502622 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -5.291502622 + 5 Combine like terms: -5 + 5 = 0 0 + x = -5.291502622 + 5 x = -5.291502622 + 5 Combine like terms: -5.291502622 + 5 = -0.291502622 x = -0.291502622 Simplifying x = -0.291502622

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.291502622, -0.291502622}

See similar equations:

| -7x^3-(b^5)= | | 6(a+2)=11(a+3) | | 26=6(5a) | | 14+c=13 | | =57 | | x^2+3=-6+8 | | -2n+11=-19 | | 4.4m+8=8.8m | | -2+10x=33+3x | | 2r+3r+5r-8= | | a^4*a^2b^3*a^5b^2= | | 6=4x+1 | | 3x+2x+(x+12)+(2+4)=360 | | x+x-9+x-9*3=39 | | -23=-2x-10+2 | | x^2+5x+1=x^2+2x+1 | | -3x-6-10=20 | | X-8=x-6 | | 5x^2-4-3x^2+8x+4= | | 80=2x+3(5x-13) | | 10y-6=6y+26 | | 5(x+3y)=7 | | 19-123p=17p-5 | | (8x+7)(85)=180 | | 5x^2-4-3x^2+8x+4m= | | 1.75+.75=4.75 | | x^3+3x^2+x+5=0 | | 2x+25=-6 | | -3x^2-20x+25=10 | | 1.75+.75m= | | 3.5y=1y-12 | | 4=-x-7+3 |

Equations solver categories