Question

Factorise :
1. a² + 10 a + 24
2. a² – 3a – 40​

Answer 1

Answer:

a2+10a+24

= a2 +12a-2a+24

a(a+12) -2(a+12)

a+12=-12

a-2=2

Answer 2

Answer:

(a+4)(a+6)

(a+5)(a-8)

Step-by-step explanation:

a*+10a+24

a*+4a+6a+24

a(a+4)6(a+4)

(a+4)(a+6)

a*-3a-40

a*+5a-8a-40

a(a+5)-8(a+5)

(a-8)(a+5)