3 years ago

Hey can you please help me posted picture of question

1 answer:

8 0

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

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)

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