x^2-25=2*(x+5)

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


Simplifying
x2 + -25 = 2(x + 5)

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

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

Solving
-25 + x2 = 10 + 2x

Solving for variable 'x'.

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

Combine like terms: -25 + -10 = -35
-35 + -2x + x2 = 10 + 2x + -10 + -2x

Reorder the terms:
-35 + -2x + x2 = 10 + -10 + 2x + -2x

Combine like terms: 10 + -10 = 0
-35 + -2x + x2 = 0 + 2x + -2x
-35 + -2x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-35 + -2x + x2 = 0

Factor a trinomial.
(-5 + -1x)(7 + -1x) = 0


Subproblem 1
Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 2
Set the factor '(7 + -1x)' equal to zero and attempt to solve:

Simplifying
7 + -1x = 0

Solving
7 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + -1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7
Solution
x = {-5, 7}

See similar equations:

| (n*9)-8=28 | | 22/0.44 | | -y=x-6+z | | x^4-32x^2+32=0 | | 2x-y+4z=8 | | 0.5x+3y+5z=50 | | 3:2:1/4 | | (3+4)(3-4)= | | 68=4(7+2)+2(2) | | 2-(128/x^2)=0 | | a+b=0.6 | | (2X+3)(2X-6)=0 | | 4X+50=28 | | 20*log(x)=11 | | x^2-138x-280=0 | | 2((-3c+4d)-(5d-c))-3(3c-2d)= | | (x+5)(x+2)=(x+2)(3x-4) | | -(-7x+2y-e)+(-2+4y+e)= | | 3b+12a+c=124 | | -(7x+2y-e)+(-2x+4y+e)= | | 5a(a-3)-7(a-3)= | | h=-16p^2+32t+768 | | (x+0)=3 | | 1240/5 | | 5x=1245 | | (2x+3)*(x-5)*(x-7)=0 | | 6x+1=13x-57 | | y=ln^4(1/x) | | 20x^2-140xy=0 | | y=ln^4*(1/x) | | 8-9/4x9 | | x=0.8y |

Equations solver categories