Question

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Answer 1

Step-by-step explanation:

5a³+(-3a³)+(-1/2a³)=5a³-3a³-1/2a³

=2(5a³-3a³-1/2a³)

=2(2a³-1/2a3)

=4a³-a³

=3a³

Answer 2

Answer:

$5 {a}^{3} + ( - 3 {a}^{3} ) + ( \frac{ - 1}{2} {a}^{3} )$

$5 {a}^{3} - 3 {a}^{3} - \frac{1}{2} {a}^{3}$

$2 {a}^{3} - \frac{1}{2} {a}^{3}$

$\frac{4 {a}^{3} - {a}^{3} }{2}$

$\frac{3 {a}^{3} }{2} ans$