Answer:
x³+8
Step-by-step explanation:
(x − a)(x^2 +ax + a^2)
a=2
Substitute a for 2 in the algebraic expression
(x − 2)(x^2 +2x + 2^2)
(x − 2)(x^2 +2x + 4)
Multiply (x^2 +2x + 4) by (x-2)
x(x^2 +2x + 4)-2(x^2 +2x + 4)
x³+2x²+4x-2x²-4x-8
Collect like terms
x³+2x²-2x²+4x-4x+8
x³+8
