Question

Find the product using any method. (Please help me on this!)

Answer 1

The answer is (4x² - 36x + 81)

Explanation:

Given

• (2x - 9)²

Property Used

• (a - b)² = a² - 2ab + b²

So,

(2x - 9)² = (2x)² - 2(2x)(9) + (9)²

(2x - 9)² = 4x² - 36x + 81

Thus, The product of (2x - 9)² is (4x² - 36x + 81)