Question

Factorise:
1. 15% + 5
23
2. -a2
+ a
3. 3x2 + 6x2​

Answer 1

Answer:

1.15 /100 +523

= 15 /100 + 523 /1

= 3 /20 + 523 /1

= 3 /20 + 10460 /20

= 3+10460 /20

= 10463 /20

2.−a2+a

−a2+a

=a(−a+1)

3.9x2

Step-by-step explanation: