Question

( a square + 5 ) (b square + 3 ) +5

Answer 1

Answer:

$a^{2} b^{2}$+$3a^{2}$+$5b^{2}$+20

Step-by-step explanation:

($a^{2}$+5) ($b^{2}$+3)+5

multiply $a^{2}$ with $b^{2}$ and 3, similarly 5 with $b^{2}$ and 3

= $a^{2}$($b^{2}$+3)+5($b^{2}$+3)+5

=$a^{2}$$b^{2}$+3$a^{2}$+5$b^{2}$+15+5

=$a^{2}b ^{2}$+3$a^{2}$+5$b^{2}$+20