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

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


Simplifying
(a2 + -8)(a2 + 8) = 0

Reorder the terms:
(-8 + a2)(a2 + 8) = 0

Reorder the terms:
(-8 + a2)(8 + a2) = 0

Multiply (-8 + a2) * (8 + a2)
(-8(8 + a2) + a2(8 + a2)) = 0
((8 * -8 + a2 * -8) + a2(8 + a2)) = 0
((-64 + -8a2) + a2(8 + a2)) = 0
(-64 + -8a2 + (8 * a2 + a2 * a2)) = 0
(-64 + -8a2 + (8a2 + a4)) = 0

Combine like terms: -8a2 + 8a2 = 0
(-64 + 0 + a4) = 0
(-64 + a4) = 0

Solving
-64 + a4 = 0

Solving for variable 'a'.

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

Add '64' to each side of the equation.
-64 + 64 + a4 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + a4 = 0 + 64
a4 = 0 + 64

Combine like terms: 0 + 64 = 64
a4 = 64

Simplifying
a4 = 64

Reorder the terms:
-64 + a4 = 64 + -64

Combine like terms: 64 + -64 = 0
-64 + a4 = 0

Factor a difference between two squares.
(8 + a2)(-8 + a2) = 0


Subproblem 1
Set the factor '(8 + a2)' equal to zero and attempt to solve:

Simplifying
8 + a2 = 0

Solving
8 + a2 = 0

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

Add '-8' to each side of the equation.
8 + -8 + a2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + a2 = 0 + -8
a2 = 0 + -8

Combine like terms: 0 + -8 = -8
a2 = -8

Simplifying
a2 = -8

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 2
Set the factor '(-8 + a2)' equal to zero and attempt to solve:

Simplifying
-8 + a2 = 0

Solving
-8 + a2 = 0

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

Add '8' to each side of the equation.
-8 + 8 + a2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + a2 = 0 + 8
a2 = 0 + 8

Combine like terms: 0 + 8 = 8
a2 = 8

Simplifying
a2 = 8

Take the square root of each side:
a = {-2.828427125, 2.828427125}
Solution
a = {-2.828427125, 2.828427125}

See similar equations:

| -7(t-2)-(t+5)=5 | | v=(3x-2)(w)(2x+1) | | 6(7x-1)-9=42x-15 | | 94.2=.3*3.14*9*h | | 3x^2-20-7=0 | | 12r+34=-6r-(9) | | 6(7x+5)=324 | | y-18-4y=42 | | (x+10)(x+10)(x+10)(x+10)(x+10)= | | 2x^3*5x^2= | | 6(x+4)/5=2x-2 | | 8m+2q=18 | | 35.000=50% | | 5x^2-21x+4-x^2-11x+6= | | S=ZH-6ZK^4 | | (8+v)(2v+9)=0 | | 3(4-2d)-2(5d-5)=6 | | 16t^2+8t+54=6 | | -6-(-n+2)=-3(1-2n) | | (2+x)+6=11 | | 125.000=50% | | 90=.5*6.5+5.5*h | | -16x^2+520-12x=0 | | 9x+16=81 | | -9.5(7-9x)=-27.5 | | 4p=s | | -8(x-8)=6-2(1+6x) | | 2x^3+13x^2+x=0 | | 24x^2-54=0 | | 4n-8n-77=0 | | -6-(n+2)=-3(1-2n) | | 2(1.5d-2+0.7+1)=d |

Equations solver categories