Question

subtract.
$(8a - 1) - \left(-4a^{3} + a + 3\
ight)$

Explanation:

Step1: Distribute the negative sign

$(8a - 1) + 4a^3 - a - 3$

Step2: Rearrange like terms

$4a^3 + 8a - a - 1 - 3$

Step3: Combine like terms

$4a^3 + (8a - a) + (-1 - 3)$
$4a^3 + 7a - 4$

Answer:

$4a^3 + 7a - 4$