Question

Factorise the following expression:

$7a^2+14a$

• A. $7a(a+2)$
• B. $7(a-2)$
• C. $14(7a+1)$
• D. $7a(a-2)$

Answer 1

The correct option is A $7a(a+2)$

Given expression is $7a^2+14a$

Taking common factor $7a$ from both terms we get,

$7a(a+2)$

Hence, option A is correct.