Find the sum of (x² + 6x – 5) + (2x2 + 15).

★ (x² + 6x - 5) + (2x² + 15)

➠ x² + 6x - 5 + 2x² + 15

By combining similar terms, we ge

➠ x² + 2x² + 6x - 5 + 15

➠ 3x² + 6x - 10

By taking 3x common, we get

➠ 3x(x + 2) - 10

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

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the correct answer would be:

220 centimeters

to get this you can use the pythagorean theorem

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step-by-step explanation: