x^2-10x+25=7

Simple and best practice solution for x^2-10x+25=7 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^2-10x+25=7 equation:


Simplifying
x2 + -10x + 25 = 7

Reorder the terms:
25 + -10x + x2 = 7

Solving
25 + -10x + x2 = 7

Solving for variable 'x'.

Reorder the terms:
25 + -7 + -10x + x2 = 7 + -7

Combine like terms: 25 + -7 = 18
18 + -10x + x2 = 7 + -7

Combine like terms: 7 + -7 = 0
18 + -10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -10x + -18 + x2 = 0 + -18

Reorder the terms:
18 + -18 + -10x + x2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -10x + x2 = 0 + -18
-10x + x2 = 0 + -18

Combine like terms: 0 + -18 = -18
-10x + x2 = -18

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 = -18 + 25

Reorder the terms:
25 + -10x + x2 = -18 + 25

Combine like terms: -18 + 25 = 7
25 + -10x + x2 = 7

Factor a perfect square on the left side:
(x + -5)(x + -5) = 7

Calculate the square root of the right side: 2.645751311

Break this problem into two subproblems by setting 
(x + -5) equal to 2.645751311 and -2.645751311.

Subproblem 1

x + -5 = 2.645751311 Simplifying x + -5 = 2.645751311 Reorder the terms: -5 + x = 2.645751311 Solving -5 + x = 2.645751311 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 = 2.645751311 + 5 Combine like terms: -5 + 5 = 0 0 + x = 2.645751311 + 5 x = 2.645751311 + 5 Combine like terms: 2.645751311 + 5 = 7.645751311 x = 7.645751311 Simplifying x = 7.645751311

Subproblem 2

x + -5 = -2.645751311 Simplifying x + -5 = -2.645751311 Reorder the terms: -5 + x = -2.645751311 Solving -5 + x = -2.645751311 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 = -2.645751311 + 5 Combine like terms: -5 + 5 = 0 0 + x = -2.645751311 + 5 x = -2.645751311 + 5 Combine like terms: -2.645751311 + 5 = 2.354248689 x = 2.354248689 Simplifying x = 2.354248689

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.645751311, 2.354248689}

See similar equations:

| -28=5(2a-1)+2a | | 14+z+6-z=17 | | 6x+5y=39 | | 7y=33-4ty | | 4x^2+12x+9=10 | | y+z=6 | | 64-6x=3x+22 | | 8y^3-16y^2+6y= | | 3(x+7)-8(2+x)=73 | | 3+8{4+2}-8=25 | | 5h+7=17 | | 10t+6=26 | | 4x+4=30 | | 4x^2+100=8x | | 3x+150=13x-10 | | (3x+4)-(x+3)=3x+2+3x | | 8-10x=112-38x | | x^2+5x+18=0 | | -46+(-80)= | | 133+12= | | 4x-2y=-29 | | 2(3+x)=4(x-20) | | 6n+1=100 | | 5x^2-9x+3=0 | | 6+(6+x)+(6+.5x)=y | | P(-5)ifP(x)=-x^3-4x^2+x-2 | | 4x+5=7x-1 | | b+c=15 | | 2x-5x+4= | | 3n-4=14 | | 1x+=9 | | a+c=12 |

Equations solver categories