Hey can you please help me posted picture of question

Question

asked May 19, 2019 89.5k views

1 Answer

Khanpo · Answer 1 · 2019-05-25T13:39:57+0000

The correct option is (B)
16x^2 + 8x + 1

Step-by-step explanation:
Add all the boxes:
There are 16 (x^2) boxes;
There are 8 (x) boxes;
And the constants = 1

So it becomes:

16x^2 + 8x + 1

And the product is (4x+1)(4x+1)
4x(4x+1) + 1(4x+1)
16x^2 + 4x + 4x + 1

16x^2 + 8x + 1

(Same)