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anonymous
 one year ago
Find −3a2 − b3 + 3c2 − 2b3 if a = 2, b = −1, and c = 3.
anonymous
 one year ago
Find −3a2 − b3 + 3c2 − 2b3 if a = 2, b = −1, and c = 3.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.03(2)^2 +1^3 + 3(3)^2 – 2(1)^3

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1^ ok, you've plugged in the numbers correctly, all you have to do is calculate what that expression is equal to...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 14 but I dont know if its correct

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1well, let's take it step by step: 3(2)^2 = ?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1it's 3(4) remember, the exponent only applies to the number next to it

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1good. 3(3)^2 = ? (again, remember that the exponent only applies to the number next to it)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Above, why would the 1 be positive if it was negative in the equation?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1if b = 1 then b^3 = (1)(1)(1) = 1

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ohhhhhh. Okay I get it. Gotcha. Okay continue (:

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1and yes, – 2(1)^3 = 1 so we put everything together: 3(2)^2 +1^3 + 3(3)^2 – 2(1)^3 = 3(4) + 1 + 3(9) 2(1) can you take over from here?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1g2g but the final answer should be 18

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Got it. Thank you so much
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