​Please give me an ans. to these question along with the method used
Q. Factorise the following

​1. 12x2​ - x - 35
2. 10p2q2  - 21pq + 9


  1. 12x2​ - x - 35 2. 10p2q2  - 21pq + 9

Dear student,

Question 1)12x2-x-35=12x2-21x+20x-35=3x4x-7+54x-7=4x-73x+5Question 2)10p2q2-21pq+9=10p2q2-6pq-15pq+9=2pq5pq-3-35pq-3=5pq-32pq-3
Regards

  • 3
ok
  • -1
1. 12x-x-35
=12x2-20x-21x-35
=-4x(3x+5)-7(3x+5)
(3x-5)(4x-7)

2.10p2 q2-21pq+9
         2  2    
=10p    q    -6pq-15pq=9
-2pq(-5pq+3)+3(-5pq+3)
(-5pq+3)(-2pq+3)

thanks for asking question.
keep asking
if you are helpful by my answer

then like my ​answer


 
  • 1
What are you looking for?