Q12 of 137 Page 100

Factories:

16x5 – 144x3

We have,


16x5 – 144x3


= 3x3(x2 – 9)


By using the formula a2 – b2 = (a + b)(a – b)


We get,


16x5 – 144x3 = 3x3(x2 – 9)


= 16x3{(x)2 – (3)2}


= 16x3(x + 3)(x – 3)


More from this chapter

All 137 →
10

Factories:

12x2 – 27

 11

Factories:

x3 – 64x

 13

Factories:

3x5 – 48x3

 14

Factories:

16p3 – 4p