Answer:

c. 4×⁴ - 28ײ +49

Step-by-step explanation:

(2x - 7)²

(2x - 7)(2x- 7)

4x² - 14x - 14x + 49

4x² - 28x + 49

(2x² - 7)²

(2x² - 7)(2x² - 7)

4x⁴ - 14x² - 14x² + 49

4x⁴ - 28x² + 49

Answer: Letter B

Step-by-step explanation:

(2x-7)²

To got the answer of;

4x⁴-14x²-49

Here's the steps:

First: 2x × ² = 4x⁴

Second: 2 × 7= 14 and then copy the x².

Third: (7)² Squared the last term 7 × 7= 49.

That's the answer. Letter B po siya. Sana nakatulong ako sa'yo