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Evaluate the given expression if a​ = 2 and ​b​ = -4
a2-b3

Evaluate The Given Expression If A 2 And B 4 A2b3 class=

Sagot :

Answer:

31

Step-by-step explanation:

[tex] {a}^{2} - {b}^{3} \\ \\ = {(2)}^{2} - {( - 3)}^{3} \\ \\ = 4 - ( - 27) \\ \\ = 4 + 27 \\ \\ = 31[/tex]