(a-8)(a+8)=a^2-64

Simple and best practice solution for (a-8)(a+8)=a^2-64 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 (a-8)(a+8)=a^2-64 equation: 


Simplifying
(a + -8)(a + 8) = a2 + -64

Reorder the terms:
(-8 + a)(a + 8) = a2 + -64

Reorder the terms:
(-8 + a)(8 + a) = a2 + -64

Multiply (-8 + a) * (8 + a)
(-8(8 + a) + a(8 + a)) = a2 + -64
((8 * -8 + a * -8) + a(8 + a)) = a2 + -64
((-64 + -8a) + a(8 + a)) = a2 + -64
(-64 + -8a + (8 * a + a * a)) = a2 + -64
(-64 + -8a + (8a + a2)) = a2 + -64

Combine like terms: -8a + 8a = 0
(-64 + 0 + a2) = a2 + -64
(-64 + a2) = a2 + -64

Reorder the terms:
-64 + a2 = -64 + a2

Add '64' to each side of the equation.
-64 + 64 + a2 = -64 + 64 + a2

Combine like terms: -64 + 64 = 0
0 + a2 = -64 + 64 + a2
a2 = -64 + 64 + a2

Combine like terms: -64 + 64 = 0
a2 = 0 + a2
a2 = a2

Add '-1a2' to each side of the equation.
a2 + -1a2 = a2 + -1a2

Combine like terms: a2 + -1a2 = 0
0 = a2 + -1a2

Combine like terms: a2 + -1a2 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

See similar equations:

| (n-8)*4=12 | | 2n(2)+5n+2= | | (m^4n)-7/m^-19n^6 | | (n-7)*7=28 | | 8n-28=36 | | (4/5)^-4 | | 3x-1=-2 | | -22=6-7x | | 12-5(p+4)=22 | | 24x-13=35 | | 5+1/x/7/9 | | 3+3x=-9 | | 7/8x=-14 | | -x+4=28 | | 3n+6=21whatisn | | x/5+15=65 | | (n-7)*7=28whatisn | | 18=x/2+8 | | -5x+20=50 | | 3(2x-3)-2(x-5)= | | 4r-9=31 | | 3/5g+1/3=-10/3 | | (n-8)*4=12whatisn | | 4x^3=9x | | 2x+7+x=x | | 4/5y=20 | | 12=8+a/-6 | | v/6=-4 | | 2x+4-x=x-3 | | c+3/5=7/5 | | 3x+5=2x+2+x+3 | | (y-4)=(3y+3) |

Equations solver categories