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25-06-2019
Mathematics

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Find the value of the expression 2x3 + 3y2 − 17 when x = 3 and y = 4

Respuesta :

25-06-2019

Answer:

85

Step-by-step explanation:

I assume by 2x3 you mean 2x^3 and 3y2 means 3y^2. If so then just plug in the values:

2x^3 + 3y^2 - 17 = ?

2(3)^3 + 3(4)^2 - 17 = ?

2(27) + 3(16) - 7 = ?

54 + 48 - 17

102 - 17 = ?

85 = ?

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