x^2-16=(x+8)(x-8)

Simple and best practice solution for x^2-16=(x+8)(x-8) 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=(x+8)(x-8) equation:


Simplifying
x2 + -16 = (x + 8)(x + -8)

Reorder the terms:
-16 + x2 = (x + 8)(x + -8)

Reorder the terms:
-16 + x2 = (8 + x)(x + -8)

Reorder the terms:
-16 + x2 = (8 + x)(-8 + x)

Multiply (8 + x) * (-8 + x)
-16 + x2 = (8(-8 + x) + x(-8 + x))
-16 + x2 = ((-8 * 8 + x * 8) + x(-8 + x))
-16 + x2 = ((-64 + 8x) + x(-8 + x))
-16 + x2 = (-64 + 8x + (-8 * x + x * x))
-16 + x2 = (-64 + 8x + (-8x + x2))

Combine like terms: 8x + -8x = 0
-16 + x2 = (-64 + 0 + x2)
-16 + x2 = (-64 + x2)

Add '-1x2' to each side of the equation.
-16 + x2 + -1x2 = -64 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-16 + 0 = -64 + x2 + -1x2
-16 = -64 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-16 = -64 + 0
-16 = -64

Solving
-16 = -64

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| x^2-16=(x+4)(x-4) | | (x-2)(x+8)=x^2-16 | | 24s^2-26s-5=0 | | 12x=7x-15 | | (x+2)(x-8)=x^2-16 | | 1/24.6(8+6) | | (3/4)^-2*(27/16)^-1/(4/9)^3 | | 2t^2-3=0 | | A=180n-360 | | 16p+13q+p-3q-4p= | | b^8-9b^7+b-9=0 | | x=60(60*5/18)/10 | | 2x^2+17x-7=0 | | 60*60*x/10=100 | | 5x^2-17x+7.35=0 | | 100=60*x/10 | | 12x=4x+4+5x-3+17 | | 16x+9=4x(x+4) | | 7.2=x*0.4 | | 4x+8-3=7x+35 | | x=2*(-6)/5*10^-3 | | y^2+4xy-7x-5z=0 | | 10000x=9000 | | Y=2*x | | m*2=20 | | 3/x+5=4/x+7 | | x*0=8 | | 0.1428(x+5)-0.4285=0.50(x+3) | | 6A-AB=37 | | p+300=500 | | 5n+7p+8n-p= | | 42.25/6.5 |

Equations solver categories