Question

Daca a x b=15 si a x c=17, a(b+c) este .......

Answer 1

a x b=15;a x c=17,a(b+c)=?
a(b+c)=a x b+a x c=15+17=32

Answer 2

$a \cdot b=15 \\ a \cdot c=17 \\ a(b+c)=a \cdot b+a \cdot c=15+17=32 \\ \boxed{a(b+c)=32}$