(a-3)(a^2+3a+9)=

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Solution for (a-3)(a^2+3a+9)= equation: 


Simplifying
(a + -3)(a2 + 3a + 9) = 0

Reorder the terms:
(-3 + a)(a2 + 3a + 9) = 0

Reorder the terms:
(-3 + a)(9 + 3a + a2) = 0

Multiply (-3 + a) * (9 + 3a + a2)
(-3(9 + 3a + a2) + a(9 + 3a + a2)) = 0
((9 * -3 + 3a * -3 + a2 * -3) + a(9 + 3a + a2)) = 0
((-27 + -9a + -3a2) + a(9 + 3a + a2)) = 0
(-27 + -9a + -3a2 + (9 * a + 3a * a + a2 * a)) = 0
(-27 + -9a + -3a2 + (9a + 3a2 + a3)) = 0

Reorder the terms:
(-27 + -9a + 9a + -3a2 + 3a2 + a3) = 0

Combine like terms: -9a + 9a = 0
(-27 + 0 + -3a2 + 3a2 + a3) = 0
(-27 + -3a2 + 3a2 + a3) = 0

Combine like terms: -3a2 + 3a2 = 0
(-27 + 0 + a3) = 0
(-27 + a3) = 0

Solving
-27 + a3 = 0

Solving for variable 'a'.

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

Add '27' to each side of the equation.
-27 + 27 + a3 = 0 + 27

Combine like terms: -27 + 27 = 0
0 + a3 = 0 + 27
a3 = 0 + 27

Combine like terms: 0 + 27 = 27
a3 = 27

Simplifying
a3 = 27

Reorder the terms:
-27 + a3 = 27 + -27

Combine like terms: 27 + -27 = 0
-27 + a3 = 0

The solution to this equation could not be determined.

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