Question

Factorise5√5a^2+30a+8√5

Answer 1

5√5 a²+30a +8√5
by splitting the middle term ,

5√5a²+20a+10a+8√5
5a(√5a+4) + 2√5(√5a + 4)

taking 5a and 2√5 common


(√5a+4)(5a+2√5)


hope this helps