Question

please factorise the ticked ones and please please please don't answer anything to get points else I will report​

Answer 1

QUESTION

a²+ 13a + 42

ANSWER

By spilliting middle term or factorisation method

a²+ ( 6+7 )a + 42

a²+ 6a+7a+42

a(a+6)+7(a+6)

(a+6)(a+7)

so answer is (a+6)(a+7)