ALPHA9911
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Violet has a TV, a dishwasher and a refrigerator in the back of her truck. The weight of the TV is represented by 2x2 + 4x and the weight of the dishwasher is x2 + 3. What polynomial represents the refrigerator if their total weight is 5x2 + 3x + 9?

Respuesta :

texaschic101
5x^2 + 3x + 9 - (2x^2 + 4x + x^2 + 3) = 
5x^2 + 3x + 9 - (3x^2 + 4x + 3) = 
5x^2 + 3x + 9 - 3x^2 - 4x - 3 =
2x^2 - x + 6 <===


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