To simplify the expression \( 72x^2 + 44x + 484x^2 \), first combine the like terms.
- Combine \( 72x^2 \) and \( 484x^2 \): \[ 72x^2 + 484x^2 = (72 + 484)x^2 = 556x^2 \]
- Therefore, the expression simplifies to: \[ 556x^2 + 44x \]
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