Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.
- $(x+3) ^ { 3 } $
A) $x ^ { 3 } + 9 x ^ { 2 } + 3 x + 27$
B) $x ^ { 3 } + 3 x ^ { 2 } + 3 x + 27$
C) $x ^ { 3 } + 9 x ^ { 2 } + 27 x + 27$
D) $x ^ { 3 } + 9 x ^ { 2 } + 9 x + 27$

Question

Quizplus · Accepted Answer

The correct expansion of $(x+3)^3$ is $x^3 + 3(3)x^2 + 3(3^2)x + 3^3$, which simplifies to $x^3 + 9x^2 + 27x + 27$.

Multiply the Polynomials Using a Special Product Formula (x+3)3(x+3) ^ { 3 } (x+3)3

Multiply the Polynomials Using a Special Product Formula $(x+3) ^ { 3 }$