Simplify: `(155\ xx\ 155\ xx\ 155-55\ xx\ 55\ xx\ 55)/(155\ xx\ 155+155\ xx\ 55+55\ xx\ 55)`

Explanation

To simplify the expression \((155 \times 155 \times 155 - 55 \times 55 \times 55)/(155 \times 155 + 155 \times 55 + 55 \times 55)\), we can follow these steps:

### Step 1: Rewrite the expression using exponents
The expression can be rewritten using exponents:
\[ \frac{155^3 - 55^3}{155^2 + 155 \times 55 + 55^2} \]

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