x^2-7x+10=5

Simple and best practice solution for x^2-7x+10=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 x^2-7x+10=5 equation:


Simplifying
x2 + -7x + 10 = 5

Reorder the terms:
10 + -7x + x2 = 5

Solving
10 + -7x + x2 = 5

Solving for variable 'x'.

Reorder the terms:
10 + -5 + -7x + x2 = 5 + -5

Combine like terms: 10 + -5 = 5
5 + -7x + x2 = 5 + -5

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

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -7x + -5 + x2 = 0 + -5

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

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

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

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = -5 + 12.25

Reorder the terms:
12.25 + -7x + x2 = -5 + 12.25

Combine like terms: -5 + 12.25 = 7.25
12.25 + -7x + x2 = 7.25

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 7.25

Calculate the square root of the right side: 2.692582404

Break this problem into two subproblems by setting 
(x + -3.5) equal to 2.692582404 and -2.692582404.

Subproblem 1

x + -3.5 = 2.692582404 Simplifying x + -3.5 = 2.692582404 Reorder the terms: -3.5 + x = 2.692582404 Solving -3.5 + x = 2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 2.692582404 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 2.692582404 + 3.5 x = 2.692582404 + 3.5 Combine like terms: 2.692582404 + 3.5 = 6.192582404 x = 6.192582404 Simplifying x = 6.192582404

Subproblem 2

x + -3.5 = -2.692582404 Simplifying x + -3.5 = -2.692582404 Reorder the terms: -3.5 + x = -2.692582404 Solving -3.5 + x = -2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -2.692582404 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -2.692582404 + 3.5 x = -2.692582404 + 3.5 Combine like terms: -2.692582404 + 3.5 = 0.807417596 x = 0.807417596 Simplifying x = 0.807417596

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.192582404, 0.807417596}

See similar equations:

| 1/4(d-5)=1 | | -84v-80=44v-30 | | 25=2n+5 | | (5x^2+8x-2)-(2x^2-4x+6)= | | 6+x=11 | | -11=3x-(3-5x) | | 0.08x+0.06(x+12)=7.72 | | 8*-11(x-21)=-8 | | 10x-2x+12=-6x-16 | | -11+21=m-6 | | 6-6k-12=-1 | | ln(x+5)=2-lnx | | -9=7x+5 | | 9+14=8(9+7) | | x+4=0.5(x-3) | | 9+14=(9+7) | | -3x+6(5x-2)=-12 | | 11=3x-(3-5x) | | -5x-5x=92-2 | | X-7=3x-53 | | yx+4=0.5(x-3) | | 5x^2-8x-21=0 | | 6x+10-5x=11 | | 2(1+10a)+9a=-22+5a | | 19y=2(9y-4) | | -3(x-4)=6(x-1) | | 0.5x+16=0.25x+26 | | -(-3x+10)=-15x | | y+1.2=3.5 | | -7(2y+11)-2y=-13 | | 4x-1=7x+5 | | -12-(-3x+6)=-8+4x |

Equations solver categories