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Solution:
2x3 + 3y2 - 17 [Given]
Substitute x = 3 and y = 4 in the given algebraic expression
= 2 (3)3 + 3(4)2 - 17
By further calculation
= 2 (27) + 3 (16) - 17
So we get
= 54 + 48 - 17
= 102 - 17
= 85
Therefore, the value of the expression is 85.
Summary:
The value of the expression 2x3 + 3y2 - 17 when x = 3 and y = 4 is 85.