Question

factorise a^2-13a-30​

Answer 1

Step-by-step explanation:

a^2 -15 a +2a -30

(a^2-15a) (2a-30)

a(a-15) +2 (a-15)

( a+2) (a-15)

Answer 2

Answer:

Your ans

Step-by-step explanation:

a^2-13a-30

=>a^2-(15a-2a)-30

=>a^2-15a+2a-30

=>a(a-15)+2(a-15)

=>(a-15)(a+2)

=>a=15,-2