Question
Simplify
$(a^2+5)(b^3+3)+5$
$(a^2+5)(b^3+3)+5$
✓
Answer
$(a^{2}+5)(b^{3}+3)+5$
$=a^2\left(b^3+3\right)+5\left(b^3+3\right)+5 $
$=a^2 b^3+3 a^2+5 b^3+15+5 $
$=a^2 b^3+3 a^2+5 b^3+20\qquad$ [adding like terms]
$=a^2\left(b^3+3\right)+5\left(b^3+3\right)+5 $
$=a^2 b^3+3 a^2+5 b^3+15+5 $
$=a^2 b^3+3 a^2+5 b^3+20\qquad$ [adding like terms]
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