Answer:
the Expression is :
(3) × (1 + 6d + 7y)
Step-by-step explanation:
here's the solution : -
=》

=》

now, since 3 is common in all terms let's take it out.
=》

=》so, ,we got the above expression as product of 3 and ( 1 + 6d + 7y ) as factors.
Answer:
D
Step-by-step explanation:
Answer:
(3x-1) (3x+1)
Step-by-step explanation:
9x^2-1
Rewriting as
(3x)^2 - 1^2
This is the difference of squares
a^2 - b^2 = (a-b)(a+b)
(3x-1) (3x+1)