(x^2-16)=7

Simple and best practice solution for (x^2-16)=7 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^2-16)=7 equation:


Simplifying
(x2 + -16) = 7

Reorder the terms:
(-16 + x2) = 7

Remove parenthesis around (-16 + x2)
-16 + x2 = 7

Solving
-16 + x2 = 7

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + x2 = 7 + 16

Combine like terms: -16 + 16 = 0
0 + x2 = 7 + 16
x2 = 7 + 16

Combine like terms: 7 + 16 = 23
x2 = 23

Simplifying
x2 = 23

Take the square root of each side:
x = {-4.795831523, 4.795831523}

See similar equations:

| 5ln(4x+2)=30 | | n+20=30 | | -16t^2+27t+2.5=3.5 | | n+4n-3= | | 4(7y+14)-7=7(8y-16) | | y=x^2-16x+61 | | 2a(a-2)=0 | | 3r+6+9r=24 | | 4x^2-56=0 | | 5x-=2x | | y=2x^2+16+36 | | 2a^2-4a=0 | | 31.4=3.14r^2 | | 14.9=7b-7.9 | | 3p+7=34 | | 2+-17=-11+8t | | 6+2y=4 | | 6(x+3) | | 198p+343 | | a+(a-3)=(a-4)-(a+1) | | x^2+3(3x-4)-2x(6+2x)=0 | | 20=3.1-5.1b | | 6x-x+12=10x+7 | | 3t^2+5t=0 | | 11=-4.9-y | | 3c^2-17c-6= | | 2(3+3x)-2=16 | | 4x^2+9-12x=0 | | -5+6x+2x=43 | | 4x2+9-12x=0 | | 7x+20=6x+23 | | 7(2p+1)=44.5-p |

Equations solver categories