x(x+5)=x^2-15

Simple and best practice solution for x(x+5)=x^2-15 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(x+5)=x^2-15 equation: 


Simplifying
x(x + 5) = x2 + -15

Reorder the terms:
x(5 + x) = x2 + -15
(5 * x + x * x) = x2 + -15
(5x + x2) = x2 + -15

Reorder the terms:
5x + x2 = -15 + x2

Add '-1x2' to each side of the equation.
5x + x2 + -1x2 = -15 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5x + 0 = -15 + x2 + -1x2
5x = -15 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
5x = -15 + 0
5x = -15

Solving
5x = -15

Solving for variable 'x'.

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

Divide each side by '5'.
x = -3

Simplifying
x = -3

See similar equations:

| 7x+4=2x+1 | | 13+n=18 | | 9x^2-3x+12=0 | | K=nob | | 3(x+5)-7=15-3x-7+6x | | 6a-27=9 | | 3p+4-p-3= | | -3+7(x-2)=16x+3-9x | | (8s-3)-4(8-12s)=2.75 | | 4(x+5)-2= | | (8s-3)-4(8-12s)=0 | | 24x^4=0 | | 6(a-7)+16=4(a-6) | | 3(x-5)=41-4x | | 7(x-5)=-21 | | x^3=730 | | 4x-6=2x+34 | | 3x-1.2=2.4 | | x^3-6x^2-4=0 | | c+5d+4c-2d= | | 42.85g=13 | | 3x-42+2y=4 | | x+(-8)x=10 | | 6+1X-12=4 | | 20t^2-12t=4t | | 13x+4y=161 | | 0.7*0.6= | | 5x+19=2x+100 | | ln(x+1)+ln(x-1)=8 | | -2x-12= | | 2(x-1)-3(2x-5)=15-5(6x+1) | | 2x-10=4x+11 |

Equations solver categories