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elixir [45]
3 years ago
10

Which expression is equivalent to (5x^3)(2x)^3

Mathematics
2 answers:
Whitepunk [10]3 years ago
4 0

For this case we have the following expression:

5x ^ 3 * (2x) ^ 3

Rewriting we have:

5x ^ 3 * (2x * 2x * 2x) =\\5x ^ 3 * 8x ^ 3 =

For properties of multiplication of power of the same base we have that:

a ^ m * a ^ n = a ^ {m + n}

So:

5x ^ 3 *8x ^ 3 = 40x ^ 6

Answer:

40x ^ 6

Elanso [62]3 years ago
3 0

Answer:

\large\boxed{(5x^3)(2x)^3=40x^6}

Step-by-step explanation:

(5x^3)(2x)^3\qquad\text{use}\ (ab)^n=a^nb^n\\\\(5x^3)(2^3x^3)=(5x^3)(8x^3)\qquad\text{use commutative law}\\\\=(5\cdot8)(x^3x^3)\qquad\text{use}\ a^na^m=a^{n+m}\\\\=40x^{3+3}=40x^6

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