Question

(8a to the 3rd power -3b to the 2nd power) -(-a to the third power +b to the 2nd power)

Answer 1

Answer:

  7a³-2b²

Step-by-step explanation:

$8a^3-3b^2-(-a)^3+b^2=(8-1)a^3+(-3+1)b^2=7a^3-2b^2$

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