To find the value of the expression 3a² - 2b³ at a = -17 and b = -2, we simply substitute these values into the expression:
3(-17)² - 2(-2)³= 3(289) - 2(-8)= 867 + 16= 883
Therefore, the value of the expression 3a² - 2b³ when a = -17 and b = -2 is 883.
To find the value of the expression 3a² - 2b³ at a = -17 and b = -2, we simply substitute these values into the expression:
3(-17)² - 2(-2)³
= 3(289) - 2(-8)
= 867 + 16
= 883
Therefore, the value of the expression 3a² - 2b³ when a = -17 and b = -2 is 883.