2x^2-5x-25=x^2+10x+25

Simple and best practice solution for 2x^2-5x-25=x^2+10x+25 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 2x^2-5x-25=x^2+10x+25 equation:


Simplifying
2x2 + -5x + -25 = x2 + 10x + 25

Reorder the terms:
-25 + -5x + 2x2 = x2 + 10x + 25

Reorder the terms:
-25 + -5x + 2x2 = 25 + 10x + x2

Solving
-25 + -5x + 2x2 = 25 + 10x + x2

Solving for variable 'x'.

Reorder the terms:
-25 + -25 + -5x + -10x + 2x2 + -1x2 = 25 + 10x + x2 + -25 + -10x + -1x2

Combine like terms: -25 + -25 = -50
-50 + -5x + -10x + 2x2 + -1x2 = 25 + 10x + x2 + -25 + -10x + -1x2

Combine like terms: -5x + -10x = -15x
-50 + -15x + 2x2 + -1x2 = 25 + 10x + x2 + -25 + -10x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-50 + -15x + 1x2 = 25 + 10x + x2 + -25 + -10x + -1x2

Reorder the terms:
-50 + -15x + 1x2 = 25 + -25 + 10x + -10x + x2 + -1x2

Combine like terms: 25 + -25 = 0
-50 + -15x + 1x2 = 0 + 10x + -10x + x2 + -1x2
-50 + -15x + 1x2 = 10x + -10x + x2 + -1x2

Combine like terms: 10x + -10x = 0
-50 + -15x + 1x2 = 0 + x2 + -1x2
-50 + -15x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-50 + -15x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '50' to each side of the equation.
-50 + -15x + 50 + x2 = 0 + 50

Reorder the terms:
-50 + 50 + -15x + x2 = 0 + 50

Combine like terms: -50 + 50 = 0
0 + -15x + x2 = 0 + 50
-15x + x2 = 0 + 50

Combine like terms: 0 + 50 = 50
-15x + x2 = 50

The x term is -15x.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15x + 56.25 + x2 = 50 + 56.25

Reorder the terms:
56.25 + -15x + x2 = 50 + 56.25

Combine like terms: 50 + 56.25 = 106.25
56.25 + -15x + x2 = 106.25

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = 106.25

Calculate the square root of the right side: 10.307764064

Break this problem into two subproblems by setting 
(x + -7.5) equal to 10.307764064 and -10.307764064.

Subproblem 1

x + -7.5 = 10.307764064 Simplifying x + -7.5 = 10.307764064 Reorder the terms: -7.5 + x = 10.307764064 Solving -7.5 + x = 10.307764064 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = 10.307764064 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = 10.307764064 + 7.5 x = 10.307764064 + 7.5 Combine like terms: 10.307764064 + 7.5 = 17.807764064 x = 17.807764064 Simplifying x = 17.807764064

Subproblem 2

x + -7.5 = -10.307764064 Simplifying x + -7.5 = -10.307764064 Reorder the terms: -7.5 + x = -10.307764064 Solving -7.5 + x = -10.307764064 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.5' to each side of the equation. -7.5 + 7.5 + x = -10.307764064 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = -10.307764064 + 7.5 x = -10.307764064 + 7.5 Combine like terms: -10.307764064 + 7.5 = -2.807764064 x = -2.807764064 Simplifying x = -2.807764064

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.807764064, -2.807764064}

See similar equations:

| -3(2t-4)+2t=6t-7 | | 40=3x+6+x-4+x-4+x | | .70x+.15(100)=.60(x+80) | | 7y+5y=-10+16 | | 7x+6y=68 | | 8y-3=7y+9 | | 4x^2-8x+45=0 | | -8u=.85 | | [3x+8]=[X-17] | | 3f+18=24 | | 3+(9x-4)= | | 4x+26=7x-7 | | X-5x+4x-3x= | | V^2+6v+10= | | 9n^2+3n+1= | | 90+7x-6+x=180 | | 3t-6t=1+2 | | (3x+5)-(x+5)=24 | | 3t-6=1+2 | | 3+-6=1+2 | | -4y^2-20y+5=0 | | 7x-9x+6=x-2+8 | | (5x+y+4)(5x+y+4)=0 | | X^2+16-57= | | -(5x-3y+1)= | | -2x^2-x=-9x+8 | | 2x-2=.25x+6 | | (8x+7y-5)(8x+7y+5)=0 | | 8x-16=200 | | 4(2-11)-6x=-3 | | 0.12-0.01(x+3)=-0.01(1-x) | | 5(y-1)=y+9-2(-6y-2) |

Equations solver categories