15x^2-15=0

Simple and best practice solution for 15x^2-15=0 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 15x^2-15=0 equation:


Simplifying
15x2 + -15 = 0

Reorder the terms:
-15 + 15x2 = 0

Solving
-15 + 15x2 = 0

Solving for variable 'x'.

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

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

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

Combine like terms: 0 + 15 = 15
15x2 = 15

Divide each side by '15'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}

See similar equations:

| z^2+(7+i)z+24+7i=0 | | 13-(3m+4)=3+2m-19 | | 4m+12=34 | | 10(x)(x)-27+18=0 | | 3-2tan(x+30)*tan(60-x)=1 | | 3x^3-6x^2-21x=0 | | M-2-3m=27.50 | | 2px-y=A | | (x+6)=15(8) | | 10x^2-9x-15=0 | | -y^2+8y+4=5 | | 3x+47+7x-13=114 | | 16M-2=8m+12-6m | | 0=7c-81-4c | | 3n-5+3n+2=8+3n+1 | | 9+15w=3w-9 | | 6-6x-2x^2=0 | | 4x-48+8x-27=141 | | ((X)(X))-9=0 | | 2-6x+4=7-4x+7-10x | | 2x+43+8x-2=131 | | Xtimesx-9=0 | | 12x-2=4x+8 | | 4x^2+15=29 | | 4x^2y/6x | | 3450=46(p+35) | | 2a^2+18a+16=0 | | 15.2+2W=37.75 | | 3x+21+2x-2=45-4x+37 | | 3(a-10)=-6 | | 8+2(2x-1)=-4(3x-1)+8x | | 32+4x=x^2 |

Equations solver categories