Question

find the product using the formula (a+10) (a+5)​

Answer 1

Explanation:

By formula (a+b) (a+c) = a^2 + (b+c)a + bc,

$(a + 10)(a + 5)$

$= a {}^{2} + (10 + 5)a + (10)(5)$

$= a {}^{2} + 15a + 50$

Answer: a^2 + 15a + 50