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Find the value of the expression 2x cubed + 3y squared - 17 when x = 3 and y = 4.

2 Answers

5 votes

Answer:85

Explanation:

User Dan Ochiana
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5 votes

2x^3+3y^2-17\\\\subtitute\ the\ values\ of\ the\ x=3\ and\ y=4\ to\ the\ expression:\\\\2(3^3)+3(4^2)-17=2(27)+3(16)-17=54+48-17\\\\=102-17=\boxed{85}\\----------------------\\3^3=3*3*3=27\\\\4^2=4*4=16
User MarshallOfSound
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